| z | (noun) the 26th letter of the Roman alphabet | Synonyms: Z, zed, zee, izzard, ezed |
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| zaatar | (noun) a famous Middle Eastern condiment made from dried hyssop leaves, mixed with sesame seeds, dried sumac, and often salt, as well as other spices. | - |
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| zabaglione | (noun) light foamy custard-like dessert served hot or chilled | Synonyms: sabayon |
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| zag | (noun) an angular shape characterized by sharp turns in alternating directions | Synonyms: zig, zigzag |
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| zaire | (noun) the basic unit of money in Zaire | - |
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| zakat | (noun) the fourth pillar of Islam is almsgiving as an act of worship | - |
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| zalcitabine | (noun) an antiviral drug used to combat HIV infection; a nucleoside analog reverse transcriptase inhibitor (NARTI) | Synonyms: DDC, ddC, dideoxycytosine |
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| zaman | (noun) large ornamental tropical American tree with bipinnate leaves and globose clusters of flowers with crimson stamens and seed pods that are eaten by cattle | Synonyms: zamang, rain tree, monkey pod, monkeypod, saman, Albizia saman |
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| zamang | (noun) large ornamental tropical American tree with bipinnate leaves and globose clusters of flowers with crimson stamens and seed pods that are eaten by cattle | Synonyms: zaman, rain tree, monkey pod, monkeypod, saman, Albizia saman |
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| zamboorak | (noun) a camel cavalry used in the early modern era by Arab, Afghan, Persian, and Indian armies | Synonyms: zamburak, zamburek, zumbooruck, zumbooruk, camel cavalry |
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| zamburak | (noun) a camel cavalry used in the early modern era by Arab, Afghan, Persian, and Indian armies | Synonyms: zamboorak, zamburek, zumbooruck, zumbooruk, camel cavalry |
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| zamburek | (noun) a camel cavalry used in the early modern era by Arab, Afghan, Persian, and Indian armies | Synonyms: zamboorak, zamburak, zumbooruck, zumbooruk, camel cavalry |
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| zamia | (noun) any of various cycads of the genus Zamia; among the smallest and most verdant cycads | - |
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| zany | (noun) a buffoon in one of the old comedies; imitates others for ludicrous effect | - |
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| (noun) a man who is a stupid incompetent fool | Synonyms: twat, goose, jackass, cuckoo, goof, goofball, bozo, fathead |
| zap | (noun) a sudden event that imparts energy or excitement, usually with a dramatic impact | - |
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| zapper | (noun) an electrical device that can injure or kill by means of electric currents | - |
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| zarf | (noun) an ornamental metal cup-shaped holder for a hot coffee cup | - |
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| zayin | (noun) the 7th letter of the Hebrew alphabet | - |
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| zeal | (noun) a feeling of strong eagerness (usually in favor of a person or cause) | Synonyms: elan, ardor, ardour |
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| (noun) excessive fervor to do something or accomplish some end | - |
| (noun) prompt willingness | Synonyms: readiness, eagerness, forwardness |
| zealot | (noun) a fervent and even militant proponent of something | Synonyms: partisan, drumbeater |
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| zealotry | (noun) excessive intolerance of opposing views | Synonyms: fanaticism, fanatism |
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| zeaxanthin | (noun) yellow carotenoid (isomeric with lutein and occurs widely with it) that is the main pigment in yellow Indian corn | - |
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| zebibit | (noun) a unit of information equal to 1024 exbibits or 2^70 bits | Synonyms: Zibit |
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| zebibyte | (noun) a unit of information equal to 1024 exbibytes or 2^70 bytes | Synonyms: ZB, ZiB, zettabyte |
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| zebra | (noun) any of several fleet black-and-white striped African equines | - |
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| zebrawood | (noun) handsomely striped or mottled wood of the zebrawood tree; used especially for cabinetwork | - |
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| (noun) any of various trees or shrubs having mottled or striped wood | Synonyms: zebrawood tree |
| zebu | (noun) domesticated ox having a humped back and long horns and a large dewlap; used chiefly as a draft animal in India and east Asia | - |
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| zed | (noun) the 26th letter of the Roman alphabet | Synonyms: Z, z, zee, izzard, ezed |
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| zee | (noun) the 26th letter of the Roman alphabet | Synonyms: Z, z, zed, izzard, ezed |
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| zenerdiode | (noun) a semiconductor diode that exhibits a sharp increase in reverse current at a well-defined reverse voltage: used as a voltage regulator | Synonyms: stabilitron |
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| zenith | (noun) the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected | - |
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| zeolite | (noun) any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks | - |
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| zep | (noun) a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States | Synonyms: hero, grinder, wedge, sub, submarine, bomber, torpedo, Italian sandwich, hero sandwich, hoagie, hoagy, poor boy, submarine sandwich, Cuban sandwich |
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| zephyr | (noun) a slight wind (usually refreshing) | Synonyms: gentle wind, air, breeze |
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| zeppelin | (noun) a large rigid dirigible designed to carry passengers or bombs | Synonyms: Graf Zeppelin |
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| zero | (noun) a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential | Synonyms: naught, zip, cipher, cypher, zilch, zippo, nada, nil, nix, nothing, null, goose egg, aught |
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| (noun) a mathematical element that when added to another number yields the same number | Synonyms: cipher, cypher, 0, nought |
| (noun) the point on a scale from which positive or negative numerical quantities can be measured | Synonyms: zero point |
| (noun) the sight setting that will cause a projectile to hit the center of the target with no wind blowing | - |
| zest | (noun) vigorous and enthusiastic enjoyment | Synonyms: relish, zestfulness, gusto |
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| (noun) a tart spicy quality | Synonyms: nip, tang, piquance, piquancy, piquantness, tanginess |
| zestfulness | (noun) vigorous and enthusiastic enjoyment | Synonyms: relish, zest, gusto |
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| zeta | (noun) the 6th letter of the Greek alphabet | - |
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| zettabit | (noun) a unit of information equal to 1000 exabits or 10^21 bits | Synonyms: Zb, Zbit |
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| zettabyte | (noun) a unit of information equal to 1000 exabytes or 10^21 bytes | Synonyms: ZB |
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| (noun) a unit of information equal to 1024 exbibytes or 2^70 bytes | Synonyms: ZB, ZiB, zebibyte |
| zettaflop | (noun) (computer science) a unit for measuring the speed of a computer system, equal to one sextillion floating-point operations a second. | Synonyms: ZFLOPS |
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| zeugma | (noun) use of a verb with two or more complements, playing on the verb's polysemy, for humorous effect | - |
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| zidovudine | (noun) an antiviral drug (trade name Retrovir) used in the treatment of AIDS; adverse side effects include liver damage and suppression of the bone marrow | Synonyms: ZDV, Retrovir, AZT |
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| zig | (noun) an angular shape characterized by sharp turns in alternating directions | Synonyms: zag, zigzag |
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| zigadene | (noun) any of various plants of the genus Zigadenus having glaucous leaves and terminal racemes of mostly white flowers; all are poisonous | Synonyms: death camas |
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| ziggurat | (noun) a rectangular tiered temple or terraced mound erected by the ancient Assyrians and Babylonians | Synonyms: zikkurat, zikurat |
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| zigzag | (noun) an angular shape characterized by sharp turns in alternating directions | Synonyms: zag, zig |
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| zigzaggedness | (noun) The state or quality of being zigzagged or alternating directions sharply. | - |
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| zikkurat | (noun) a rectangular tiered temple or terraced mound erected by the ancient Assyrians and Babylonians | Synonyms: ziggurat, zikurat |
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| zikurat | (noun) a rectangular tiered temple or terraced mound erected by the ancient Assyrians and Babylonians | Synonyms: ziggurat, zikkurat |
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| zilch | (noun) a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential | Synonyms: naught, zero, zip, cipher, cypher, zippo, nada, nil, nix, nothing, null, goose egg, aught |
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| zill | (noun) one of a pair of small metallic cymbals worn on the thumb and middle finger; used in belly dancing in rhythm with the dance | - |
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| zillion | (noun) a very large indefinite number (usually hyperbole) | Synonyms: jillion, million, gazillion, bazillion, billion, trillion |
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| zinc | (noun) a bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende | Synonyms: Zn, atomic number 30 |
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| zinfandel | (noun) dry fruity red wine from California | - |
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| zing | (noun) a brief high-pitched buzzing or humming sound | - |
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| (noun) the activeness of an energetic personality | Synonyms: dynamism, pizzaz, pizzazz, oomph |
| zinger | (noun) a striking or amusing or caustic remark | - |
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| zinkenite | (noun) a steel grey metallic mineral (a sulphide of lead and antimony) | - |
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| zinnia | (noun) any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads | Synonyms: old maid, old maid flower |
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| zinnwaldite | (noun) a mica containing iron and lithium | - |
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| zip | (noun) a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential | Synonyms: naught, zero, cipher, cypher, zilch, zippo, nada, nil, nix, nothing, null, goose egg, aught |
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| (noun) forceful exertion | Synonyms: energy, vigor, vigour |
| (noun) a fastener for locking together two toothed edges by means of a sliding tab | Synonyms: zip fastener, zipper, slide fastener |
| zipper | (noun) a fastener for locking together two toothed edges by means of a sliding tab | Synonyms: zip, zip fastener, slide fastener |
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| zippo | (noun) a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential | Synonyms: naught, zero, zip, cipher, cypher, zilch, nada, nil, nix, nothing, null, goose egg, aught |
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| zircon | (noun) a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent | Synonyms: zirconium silicate |
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| zirconia | (noun) a white crystalline oxide; used in refractories and in insulation and abrasives and enamels and glazes | Synonyms: zirconium dioxide, zirconium oxide |
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| zirconium | (noun) a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon | Synonyms: Zr, atomic number 40 |
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| zit | (noun) a small inflamed elevation of the skin; a pustule or papule; common symptom in acne | Synonyms: hickey, pimple |
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| zither | (noun) a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers | Synonyms: zithern, cither |
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| zithern | (noun) a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers | Synonyms: zither, cither |
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| ziti | (noun) medium-sized tubular pasta in short pieces | - |
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| zizz | (noun) a buzzing or whizzing sound | - |
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| (noun) a nap | - |
| zloty | (noun) the basic unit of money in Poland | - |
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| zoanthropy | (noun) the delusion that you have assumed the form of an animal | - |
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| zoarium | (noun) a colony of zooids. | - |
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| zodiac | (noun) a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes | - |
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| (noun) (astrology) a circular diagram representing the 12 zodiacal constellations and showing their signs | - |
| zombi | (noun) (voodooism) a spirit or supernatural force that reanimates a dead body | Synonyms: zombie, zombi spirit, zombie spirit |
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| (noun) a god of voodoo cults of African origin worshipped especially in West Indies | Synonyms: zombie, snake god |
| (noun) a dead body that has been brought back to life by a supernatural force | Synonyms: zombie, living dead |
| (noun) someone who acts or responds in a mechanical or apathetic way | Synonyms: automaton, zombie |
| (noun) several kinds of rum with fruit juice and usually apricot liqueur | Synonyms: zombie |
| zombie | (noun) a dead body that has been brought back to life by a supernatural force | Synonyms: zombi, living dead |
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| (noun) (voodooism) a spirit or supernatural force that reanimates a dead body | Synonyms: zombi, zombi spirit, zombie spirit |
| (noun) a god of voodoo cults of African origin worshipped especially in West Indies | Synonyms: zombi, snake god |
| (noun) someone who acts or responds in a mechanical or apathetic way | Synonyms: automaton, zombi |
| (noun) several kinds of rum with fruit juice and usually apricot liqueur | Synonyms: zombi |
| zona | (noun) (anatomy) any encircling or beltlike structure | Synonyms: zone |
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| zone | (noun) a locally circumscribed place characterized by some distinctive features | - |
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| (noun) any of the regions of the surface of the Earth loosely divided according to latitude or longitude | Synonyms: geographical zone |
| (noun) an area or region distinguished from adjacent parts by a distinctive feature or characteristic | - |
| (noun) (anatomy) any encircling or beltlike structure | Synonyms: zona |
| zoning | (noun) dividing an area into zones or sections reserved for different purposes such as residence and business and manufacturing etc | - |
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| zonula | (noun) small beltlike zone | Synonyms: zonule |
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| zonule | (noun) small beltlike zone | Synonyms: zonula |
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| zoo | (noun) the facility where wild animals are housed for exhibition | Synonyms: menagerie, zoological garden |
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| zooecdysone | (noun) The term 'zooecdysone' refers to the molting hormones of insects. | - |
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| zooerastia | (noun) sexual activity between a person and an animal | Synonyms: zooerasty, sodomy, bestiality |
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| zooerasty | (noun) sexual activity between a person and an animal | Synonyms: zooerastia, sodomy, bestiality |
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| zooflagellate | (noun) flagellate protozoan lacking photosynthesis and other plant-like characteristics | Synonyms: zoomastigote |
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| zooid | (noun) one of the distinct individuals forming a colonial animal such as a bryozoan or hydrozoan | - |
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| zoolatry | (noun) the worship of animals | Synonyms: animal-worship |
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| zoologist | (noun) a specialist in the branch of biology dealing with animals | Synonyms: animal scientist |
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| zoology | (noun) all the animal life in a particular region or period | Synonyms: fauna |
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| (noun) the branch of biology that studies animals | Synonyms: zoological science |
| zoom | (noun) a rapid rise | Synonyms: rapid climb, rapid growth |
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| (noun) the act of rising upward into the air | Synonyms: soar |
| zoomastigote | (noun) flagellate protozoan lacking photosynthesis and other plant-like characteristics | Synonyms: zooflagellate |
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| zoomorphism | (noun) the attribution of animal forms or qualities to a god | - |
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| zoonosis | (noun) an animal disease that can be transmitted to humans | Synonyms: zoonotic disease |
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| zoophagy | (noun) The quality of being an animal that eats meat as the main part of its diet. | Synonyms: carnivorousness |
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| zoophilia | (noun) a sexual attraction to animals | Synonyms: zoophilism |
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| zoophilism | (noun) a sexual attraction to animals | Synonyms: zoophilia |
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| zoophobia | (noun) a morbid fear of animals | - |
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