| bleb | (noun) (pathology) an elevation of the skin filled with serous fluid | Synonyms: blister, bulla |
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| bleeder | (noun) someone who has hemophilia and is subject to uncontrollable bleeding | Synonyms: haemophile, haemophiliac, hemophile, hemophiliac |
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| bleeding | (noun) the flow of blood from a ruptured blood vessel | Synonyms: haemorrhage, hemorrhage |
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| bleep | (noun) a short high tone produced as a signal or warning | Synonyms: beep |
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| blemish | (noun) a mark or flaw that spoils the appearance of something (especially on a person's body) | Synonyms: defect, mar |
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| blend | (noun) the act of blending components together thoroughly | Synonyms: blending |
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| (noun) a new word formed by joining two others and combining their meanings | Synonyms: portmanteau, portmanteau word |
| (noun) an occurrence of thorough mixing | - |
| blende | (noun) an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form | Synonyms: sphalerite, zinc blende |
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| blender | (noun) an electrically powered mixer with whirling blades that mix or chop or liquefy foods | Synonyms: liquidiser, liquidizer |
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| blending | (noun) a gradation involving small or imperceptible differences between grades | Synonyms: shading |
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| (noun) the act of blending components together thoroughly | Synonyms: blend |
| blennioid | (noun) elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins | Synonyms: blennioid fish |
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| blenny | (noun) small usually scaleless fishes with comb-like teeth living about rocky shores; are territorial and live in holes between rocks | Synonyms: combtooth blenny |
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| blepharism | (noun) condition in which a person blinks continuously | - |
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| blepharitis | (noun) inflammation of the eyelids characterized by redness and swelling and dried crusts | - |
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| blepharospasm | (noun) spasm of the eyelid muscle resulting in closure of the eye | - |
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| blessedness | (noun) a state of supreme happiness | Synonyms: beatification, beatitude |
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| blessing | (noun) the act of praying for divine protection | Synonyms: benediction |
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| (noun) the formal act of approving | Synonyms: approval, approving |
| (noun) a ceremonial prayer invoking divine protection | Synonyms: benediction |
| (noun) a short prayer of thanks before a meal | Synonyms: grace, thanksgiving |
| (noun) a desirable state | Synonyms: boon |
| blether | (noun) idle or foolish and irrelevant talk | Synonyms: chin music, idle talk, prate, prattle |
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| bletia | (noun) any of various orchids of the genus Bletia having pseudobulbs and erect leafless racemes of large purple or pink flowers | - |
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| bleu | (noun) cheese containing a blue mold | Synonyms: blue cheese |
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| blewits | (noun) edible agaric that is pale lilac when young; has a smooth moist cap | Synonyms: Clitocybe nuda |
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| blight | (noun) a state or condition being blighted | - |
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| (noun) any plant disease resulting in withering without rotting | - |
| blighter | (noun) a persistently annoying person | Synonyms: cuss, gadfly, pest, pesterer |
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| (noun) a boy or man | Synonyms: bloke, chap, cuss, fella, feller, fellow, gent, lad |
| blimp | (noun) a small nonrigid airship used for observation or as a barrage balloon | Synonyms: sausage, sausage balloon |
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| blind | (noun) a protective covering that keeps things out or hinders sight | Synonyms: screen |
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| (noun) a hiding place sometimes used by hunters (especially duck hunters) | - |
| (noun) something intended to misrepresent the true nature of an activity | Synonyms: subterfuge |
| (noun) people who have severe visual impairments, considered as a group | - |
| blinder | (noun) blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side | Synonyms: blinker, winker |
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| blindfold | (noun) a cloth used to cover the eyes | - |
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| blindness | (noun) the state of being blind or lacking sight | Synonyms: cecity, sightlessness |
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| blindworm | (noun) small burrowing legless European lizard with tiny eyes; popularly believed to be blind | Synonyms: Anguis fragilis, slowworm |
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| (noun) any of the small slender limbless burrowing wormlike amphibians of the order Gymnophiona; inhabit moist soil in tropical regions | Synonyms: caecilian |
| bling | (noun) flashy, ostentatious jewelry | Synonyms: bling bling |
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| blini | (noun) Russian pancake of buckwheat flour and yeast; usually served with caviar and sour cream | Synonyms: bliny |
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| blink | (noun) a reflex that closes and opens the eyes rapidly | Synonyms: blinking, eye blink, nictation, nictitation, wink, winking |
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| blinker | (noun) a light that flashes on and off; used as a signal or to send messages | Synonyms: flasher |
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| (noun) blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side | Synonyms: blinder, winker |
| (noun) a blinking light on a motor vehicle that indicates the direction in which the vehicle is about to turn | Synonyms: trafficator, turn indicator, turn signal |
| blinking | (noun) a reflex that closes and opens the eyes rapidly | Synonyms: blink, eye blink, nictation, nictitation, wink, winking |
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| blinks | (noun) small Indian lettuce of northern regions | Synonyms: blinking chickweed, Montia lamprosperma, water chickweed |
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| blintz | (noun) (Judaism) thin pancake folded around a filling and fried or baked | Synonyms: blintze |
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| blintze | (noun) (Judaism) thin pancake folded around a filling and fried or baked | Synonyms: blintz |
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| bliny | (noun) Russian pancake of buckwheat flour and yeast; usually served with caviar and sour cream | Synonyms: blini |
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| blip | (noun) a radar echo displayed so as to show the position of a reflecting surface | Synonyms: pip, radar target |
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| (noun) a sudden minor shock or meaningless interruption | - |
| bliss | (noun) a state of extreme happiness | Synonyms: blissfulness, cloud nine, seventh heaven, walking on air |
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| blissfulness | (noun) a state of extreme happiness | Synonyms: bliss, cloud nine, seventh heaven, walking on air |
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| blister | (noun) (pathology) an elevation of the skin filled with serous fluid | Synonyms: bleb, bulla |
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| (noun) (botany) a swelling on a plant similar to that on the skin | - |
| (noun) a flaw on a surface resulting when an applied substance does not adhere (as an air bubble in a coat of paint) | - |
| blistering | (noun) the formation of vesicles in or beneath the skin | Synonyms: vesication, vesiculation |
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| blitheness | (noun) a feeling of spontaneous good spirits | Synonyms: cheerfulness |
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| blitz | (noun) a swift and violent military offensive with intensive aerial bombardment | Synonyms: blitzkrieg |
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| (noun) (American football) defensive players try to break through the offensive line | Synonyms: linebacker blitzing, safety blitz |
| blitzkrieg | (noun) a swift and violent military offensive with intensive aerial bombardment | Synonyms: blitz |
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| blizzard | (noun) a series of unexpected and unpleasant occurrences | Synonyms: rash |
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| (noun) a storm with widespread snowfall accompanied by strong winds | Synonyms: snowstorm |
| bloat | (noun) swelling of the rumen or intestinal tract of domestic animals caused by excessive gas | - |
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| bloater | (noun) large fatty herring lightly salted and briefly smoked | - |
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| blob | (noun) an indistinct shapeless form | - |
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| bloc | (noun) a group of countries in special alliance | Synonyms: axis |
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| block | (noun) the act of obstructing or deflecting someone's movements | Synonyms: blocking |
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| (noun) a solid piece of something (usually having flat rectangular sides) | - |
| (noun) an obstruction in a pipe or tube | Synonyms: blockage, closure, occlusion, stop, stoppage |
| (noun) a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope | Synonyms: pulley-block, pulley, pulley block |
| (noun) a metal casting containing the cylinders and cooling ducts of an engine | Synonyms: cylinder block, engine block |
| (noun) a platform from which an auctioneer sells | Synonyms: auction block |
| (noun) housing in a large building that is divided into separate units | - |
| (noun) an inability to remember or think of something you normally can do; often caused by emotional tension | Synonyms: mental block |
| (noun) a number or quantity of related things dealt with as a unit | - |
| (noun) a rectangular area in a city surrounded by streets and usually containing several buildings | Synonyms: city block |
| (noun) (computer science) a sector or group of sectors that function as the smallest data unit permitted | - |
| (noun) a three-dimensional shape with six square or rectangular sides | Synonyms: cube |
| blockade | (noun) a war measure that isolates some area of importance to the enemy | Synonyms: encirclement |
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| (noun) prevents access or progress | - |
| blockage | (noun) the act of blocking | Synonyms: closure, occlusion |
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| (noun) an obstruction in a pipe or tube | Synonyms: block, closure, occlusion, stop, stoppage |
| (noun) the physical condition of blocking or filling a passage with an obstruction | Synonyms: obstruction |
| blockbuster | (noun) an unusually successful hit with widespread popularity and huge sales (especially a movie or play or recording or novel) | Synonyms: megahit, smash hit |
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| (noun) a large bomb used to demolish extensive areas (as a city block) | - |
| blocker | (noun) a class of drugs that inhibit (block) some biological process | Synonyms: blocking agent |
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| (noun) a football player whose responsibility is to block players attempting to stop an offensive play | - |
| blockhead | (noun) a stupid person; these words are used to express a low opinion of someone's intelligence | Synonyms: bonehead, dumbass, dunce, dunderhead, fuckhead, hammerhead, knucklehead, loggerhead, lunkhead, muttonhead, numskull, shithead |
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| blockhouse | (noun) a stronghold that is reinforced for protection from enemy fire; with apertures for defensive fire | - |
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| blocking | (noun) the act of obstructing or deflecting someone's movements | Synonyms: block |
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| blog | (noun) a shared on-line journal where people can post diary entries about their personal experiences and hobbies | Synonyms: web log |
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| blogger | (noun) a person who keeps and updates a blog | - |
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| bloke | (noun) a boy or man | Synonyms: blighter, chap, cuss, fella, feller, fellow, gent, lad |
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| blolly | (noun) evergreen climbing shrub of southern Florida and West Indies grown for its racemes of fragrant white to creamy flowers followed by globose white succulent berries | Synonyms: Chiococca alba, West Indian snowberry |
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| blond | (noun) a light grayish yellow to near white | Synonyms: blonde |
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| (noun) a male person with fair skin and hair | - |
| blonde | (noun) a light grayish yellow to near white | Synonyms: blond |
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| (noun) a female person with fair skin and hair | - |
| blondness | (noun) the property of having a naturally light complexion | Synonyms: fairness, paleness |
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| blood | (noun) temperament or disposition | - |
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| (noun) the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets | - |
| (noun) the hereditary derivation of an individual | Synonyms: ancestry, blood line, bloodline, descent, line, line of descent, lineage, origin, parentage, pedigree, stemma, stock |
| (noun) people viewed as members of a group | - |
| (noun) a dissolute man in fashionable society | Synonyms: profligate, rake, rakehell, rip, roue |
| bloodbath | (noun) indiscriminate slaughter | Synonyms: battue, bloodletting, bloodshed |
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| bloodberry | (noun) bushy houseplant having white to pale pink flowers followed by racemes of scarlet berries; tropical Americas | Synonyms: blood berry, Rivina humilis, rouge plant, rougeberry |
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| bloodguilt | (noun) the state of being guilty of bloodshed and murder | - |
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| bloodhound | (noun) a breed of large powerful hound of European origin having very acute smell and used in tracking | Synonyms: sleuthhound |
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| bloodiness | (noun) a disposition to shed blood | Synonyms: bloodthirstiness |
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| (noun) the state of being bloody | - |
| bloodleaf | (noun) any plant of the genus Iresine having colored foliage | - |
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| bloodletting | (noun) formerly used as a treatment to reduce excess blood (one of the four humors of medieval medicine) | - |
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| (noun) indiscriminate slaughter | Synonyms: battue, bloodbath, bloodshed |
| bloodline | (noun) ancestry of a purebred animal | Synonyms: pedigree |
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| (noun) the hereditary derivation of an individual | Synonyms: ancestry, blood, blood line, descent, line, line of descent, lineage, origin, parentage, pedigree, stemma, stock |
| bloodlust | (noun) a desire for bloodshed | - |
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| bloodmobile | (noun) a motor vehicle equipped to collect blood donations | - |
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| bloodroot | (noun) perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant | Synonyms: puccoon, redroot, Sanguinaria canadensis, tetterwort |
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| bloodshed | (noun) indiscriminate slaughter | Synonyms: battue, bloodbath, bloodletting |
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| (noun) the shedding of blood resulting in murder | Synonyms: gore |
| bloodstain | (noun) a discoloration caused by blood | - |
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| bloodstock | (noun) thoroughbred horses (collectively) | - |
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| bloodstone | (noun) green chalcedony with red spots that resemble blood | Synonyms: heliotrope |
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| bloodstream | (noun) the blood flowing through the circulatory system | Synonyms: blood stream |
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| bloodsucker | (noun) carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end | Synonyms: hirudinean, leech |
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| bloodthirstiness | (noun) a disposition to shed blood | Synonyms: bloodiness |
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| bloodworm | (noun) a segmented marine worm with bright red body; often used for bait | - |
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| bloodwort | (noun) any of various plants of the family Haemodoraceae; roots contain a deep red coloring matter | - |
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| bloom | (noun) a powdery deposit on a surface | Synonyms: efflorescence |
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| (noun) reproductive organ of angiosperm plants especially one having showy or colorful parts | Synonyms: blossom, flower |
| (noun) the organic process of bearing flowers | Synonyms: blooming |
| (noun) a rosy color (especially in the cheeks) taken as a sign of good health | Synonyms: blush, flush, rosiness |
| (noun) the best time of youth | Synonyms: bloom of youth, salad days |
| (noun) the period of greatest prosperity or productivity | Synonyms: blossom, efflorescence, flower, flush, heyday, peak, prime |
| bloomer | (noun) an embarrassing mistake | Synonyms: blooper, blunder, boner, boo-boo, botch, bungle, flub, foul-up, fuckup, pratfall |
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| (noun) a flower that blooms in a particular way | - |
| bloomers | (noun) (used in the plural) underpants worn by women | Synonyms: drawers, knickers, pants |
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| blooming | (noun) the organic process of bearing flowers | Synonyms: bloom |
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| blooper | (noun) an embarrassing mistake | Synonyms: bloomer, blunder, boner, boo-boo, botch, bungle, flub, foul-up, fuckup, pratfall |
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| blossom | (noun) reproductive organ of angiosperm plants especially one having showy or colorful parts | Synonyms: bloom, flower |
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| (noun) the period of greatest prosperity or productivity | Synonyms: bloom, efflorescence, flower, flush, heyday, peak, prime |
| blossoming | (noun) the time and process of budding and unfolding of blossoms | Synonyms: anthesis, efflorescence, florescence, flowering, inflorescence |
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| blot | (noun) an act that brings discredit to the person who does it | Synonyms: smear, smirch, spot, stain |
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| (noun) a blemish made by dirt | Synonyms: daub, slur, smear, smirch, smudge, spot |
| blotch | (noun) an irregularly shaped spot | Synonyms: splodge, splotch |
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| blotter | (noun) the daily written record of events (as arrests) in a police station | Synonyms: charge sheet, day book, police blotter, rap sheet |
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| (noun) absorbent paper used to dry ink | Synonyms: blotting paper |
| blouse | (noun) a top worn by women | - |
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| blow | (noun) a powerful stroke with the fist or a weapon | - |
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| (noun) forceful exhalation through the nose or mouth | Synonyms: puff |
| (noun) street names for cocaine | Synonyms: C, coke, nose candy, snow |
| (noun) an impact (as from a collision) | Synonyms: bump |
| (noun) an unpleasant or disappointing surprise | Synonyms: shock |
| (noun) an unfortunate happening that hinders or impedes; something that is thwarting or frustrating | Synonyms: black eye, reversal, reverse, setback |
| (noun) a strong current of air | Synonyms: blast, gust |
| blowback | (noun) Blowback is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gases created by the ignition of the propellant charge. | - |
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| (noun) misinformation resulting from the recirculation into the source country of disinformation previously planted abroad by that country's intelligence service | - |
| (noun) the backward escape of gases and unburned gunpowder after a gun is fired | Synonyms: backfire |
| blowball | (noun) any of several herbs of the genus Taraxacum having long tap roots and deeply notched leaves and bright yellow flowers followed by fluffy seed balls | Synonyms: dandelion |
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