| obscurantist | (noun) a person who is deliberately vague | - |
|---|
| obscure | (adjective) difficult to find | Synonyms: hidden |
|---|
| (adjective) marked by difficulty of style or expression | Synonyms: dark |
| (adjective) not drawing attention | Synonyms: unnoticeable |
| (adjective) not famous or acclaimed | Synonyms: unknown, unsung |
| (adjective) not clearly expressed or understood | Synonyms: vague |
| (adjective) remote and separate physically or socially | Synonyms: apart, isolated |
| (verb) make unintelligible or unclear | Synonyms: bedim, overcloud |
| (verb) make undecipherable or imperceptible by obscuring or concealing | Synonyms: blot out, hide, obliterate, veil |
| (verb) reduce a vowel to a neutral one, such as a schwa | - |
| (verb) make unclear, indistinct, or blurred | Synonyms: blur, confuse, obnubilate |
| (verb) make less visible or unclear | Synonyms: becloud, befog, cloud, fog, haze over, mist, obnubilate |
| obscurely | (adverb) in an obscure manner | - |
|---|
| obscureness | (noun) the quality of being unclear or abstruse and hard to understand | Synonyms: abstruseness, obscurity, reconditeness |
|---|
| (noun) the state of being humble and unimportant | Synonyms: humbleness, lowliness, unimportance |
| (noun) the state of being indistinct or indefinite for lack of adequate illumination | Synonyms: obscurity |
| obscurity | (noun) the quality of being unclear or abstruse and hard to understand | Synonyms: abstruseness, obscureness, reconditeness |
|---|
| (noun) an obscure and unimportant standing; not well known | - |
| (noun) the state of being indistinct or indefinite for lack of adequate illumination | Synonyms: obscureness |
| obsequious | (adjective) attempting to win favor from influential people by flattery | Synonyms: bootlicking, fawning, sycophantic, toadyish |
|---|
| (adjective) attentive in an ingratiating or servile manner | - |
| obsequiously | (adverb) in an obsequious manner | Synonyms: servilely, subserviently |
|---|
| obsequiousness | (noun) abject or cringing submissiveness | Synonyms: servility, subservience |
|---|
| obsequy | (noun) a ceremony at which a dead person is buried or cremated | Synonyms: funeral |
|---|
| observable | (adjective) capable of being seen or noticed | Synonyms: discernible, evident |
|---|
| observably | (adverb) in a noticeable manner | Synonyms: noticeably, perceptibly |
|---|
| observance | (noun) the act of observing; taking a patient look | Synonyms: observation, watching |
|---|
| (noun) conformity with law or custom or practice etc. | Synonyms: honoring, honouring |
| (noun) the act of noticing or paying attention | Synonyms: notice, observation |
| (noun) a formal event performed on a special occasion | Synonyms: ceremonial, ceremonial occasion, ceremony |
| observant | (adjective) paying close attention especially to details | - |
|---|
| (adjective) (of individuals) adhering strictly to laws and rules and customs | Synonyms: law-abiding |
| (adjective) quick to notice; showing quick and keen perception | Synonyms: observing |
| observantly | (adverb) in an observant manner | Synonyms: observingly |
|---|
| observation | (noun) the act of observing; taking a patient look | Synonyms: observance, watching |
|---|
| (noun) the act of making and recording a measurement | - |
| (noun) the act of noticing or paying attention | Synonyms: notice, observance |
| (noun) facts learned by observing | - |
| (noun) a remark expressing careful consideration | Synonyms: reflection, reflexion |
| observational | (adjective) relying on observation or experiment | Synonyms: data-based, experimental |
|---|
| observatory | (noun) a building designed and equipped to observe astronomical phenomena | - |
|---|
| (noun) a structure commanding a wide view of its surroundings | Synonyms: lookout, lookout station, observation tower |
| observe | (verb) stick to correctly or closely | Synonyms: keep, maintain |
|---|
| (verb) make mention of | Synonyms: mention, note, remark |
| (verb) watch attentively | - |
| (verb) observe with care or pay close attention to | Synonyms: note, take note |
| (verb) discover or determine the existence, presence, or fact of by perception with the eyes | Synonyms: detect, discover, find, notice |
| (verb) follow with the eyes or the mind | Synonyms: follow, keep an eye on, watch, watch over |
| (verb) show respect towards | Synonyms: abide by, honor, honour, respect |
| (verb) behave as expected during of holidays or rites | Synonyms: celebrate, keep |
| (verb) conform one's action or practice to | Synonyms: keep |
| observed | (adjective) discovered or determined by scientific observation | Synonyms: ascertained, discovered |
|---|
| observer | (noun) a person who becomes aware (of things or events) through the senses | Synonyms: beholder, perceiver, percipient |
|---|
| (noun) an expert who observes and comments on something | Synonyms: commentator |
| observing | (adjective) quick to notice; showing quick and keen perception | Synonyms: observant |
|---|
| observingly | (adverb) in an observant manner | Synonyms: observantly |
|---|
| obsess | (verb) haunt like a ghost; pursue | Synonyms: ghost, haunt |
|---|
| (verb) be preoccupied with something | - |
| obsessed | (adjective) having or showing excessive or compulsive concern with something | Synonyms: haunted, preoccupied, taken up |
|---|
| (adjective) influenced or controlled by a powerful force such as a strong emotion | Synonyms: possessed |
| obsession | (noun) an unhealthy and compulsive preoccupation with something or someone | Synonyms: fixation |
|---|
| (noun) an irrational motive for performing trivial or repetitive actions, even against your will | Synonyms: compulsion |
| obsessional | (adjective) characterized by or constituting an obsession | Synonyms: obsessive |
|---|
| obsessionally | (adverb) in a compulsive manner | Synonyms: compulsively, obsessively |
|---|
| obsessive | (adjective) characterized by or constituting an obsession | Synonyms: obsessional |
|---|
| (noun) a person who has obsessions | - |
| obsessively | (adverb) in a compulsive manner | Synonyms: compulsively, obsessionally |
|---|
| obsessiveness | (noun) extreme compulsiveness | Synonyms: obsessivity |
|---|
| obsessivity | (noun) extreme compulsiveness | Synonyms: obsessiveness |
|---|
| obsidian | (noun) acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces | - |
|---|
| obsolesce | (verb) become obsolete, fall into disuse | - |
|---|
| obsolescence | (noun) the process of becoming obsolete; falling into disuse or becoming out of date | - |
|---|
| obsolescent | (adjective) becoming obsolete | - |
|---|
| obsolete | (adjective) no longer in use | Synonyms: disused |
|---|
| (adjective) old; no longer valid or fashionable | Synonyms: out-of-date, outdated, superannuated |
| obsoleteness | (noun) the property of being out of date and not current | Synonyms: superannuation |
|---|
| obstacle | (noun) an obstruction that stands in the way (and must be removed or surmounted or circumvented) | - |
|---|
| (noun) something immaterial that stands in the way and must be circumvented or surmounted | Synonyms: obstruction |
| obstetric | (adjective) of or relating to or used in or practicing obstetrics | Synonyms: obstetrical |
|---|
| obstetrical | (adjective) of or relating to or used in or practicing obstetrics | Synonyms: obstetric |
|---|
| obstetrician | (noun) a physician specializing in obstetrics | Synonyms: accoucheur |
|---|
| obstetrics | (noun) the branch of medicine dealing with childbirth and care of the mother | Synonyms: midwifery, OB, tocology |
|---|
| obstinacy | (noun) the trait of being difficult to handle or overcome | Synonyms: mulishness, obstinance, stubbornness |
|---|
| (noun) resolute adherence to your own ideas or desires | Synonyms: bullheadedness, obstinance, pigheadedness, self-will, stubbornness |
| obstinance | (noun) the trait of being difficult to handle or overcome | Synonyms: mulishness, obstinacy, stubbornness |
|---|
| (noun) resolute adherence to your own ideas or desires | Synonyms: bullheadedness, obstinacy, pigheadedness, self-will, stubbornness |
| obstinate | (adjective) tenaciously unwilling or marked by tenacious unwillingness to yield | Synonyms: stubborn, unregenerate |
|---|
| (adjective) resistant to guidance or discipline | Synonyms: contrary, perverse, wayward |
| (adjective) stubbornly persistent in wrongdoing | Synonyms: cussed, obdurate, unrepentant |
| (verb) persist stubbornly | - |
| obstinately | (adverb) in a stubborn unregenerate manner | Synonyms: cussedly, mulishly, obdurately, pig-headedly, stubbornly |
|---|
| obstipate | (verb) constipate severely | - |
|---|
| obstipation | (noun) severe constipation resulting from an obstruction in the intestines | - |
|---|
| obstreperous | (adjective) boisterously and noisily aggressive | - |
|---|
| (adjective) noisily and stubbornly defiant | - |
| obstreperously | (adverb) in manner that attracts attention | Synonyms: clamorously, loudly |
|---|
| obstreperousness | (noun) noisy defiance | - |
|---|
| obstruct | (verb) block passage through | Synonyms: block, close up, impede, jam, obturate, occlude |
|---|
| (verb) shut out from view or get in the way so as to hide from sight | Synonyms: block |
| (verb) hinder or prevent the progress or accomplishment of | Synonyms: block, blockade, embarrass, hinder, stymie, stymy |
| obstructed | (adjective) shut off to passage or view or hindered from action | - |
|---|
| obstructer | (noun) any structure that makes progress difficult | Synonyms: impediment, impedimenta, obstruction, obstructor |
|---|
| (noun) someone who systematically obstructs some action that others want to take | Synonyms: obstructionist, obstructor, resister, thwarter |
| obstruction | (noun) getting in someone's way | - |
|---|
| (noun) the act of obstructing | - |
| (noun) any structure that makes progress difficult | Synonyms: impediment, impedimenta, obstructer, obstructor |
| (noun) something immaterial that stands in the way and must be circumvented or surmounted | Synonyms: obstacle |
| (noun) the physical condition of blocking or filling a passage with an obstruction | Synonyms: blockage |
| obstructionism | (noun) deliberate interference | - |
|---|
| obstructionist | (noun) someone who systematically obstructs some action that others want to take | Synonyms: obstructer, obstructor, resister, thwarter |
|---|
| obstructive | (adjective) preventing movement | Synonyms: clogging, hindering, impeding |
|---|
| obstructively | (adverb) in an obstructive manner | Synonyms: hinderingly |
|---|
| obstructor | (noun) any structure that makes progress difficult | Synonyms: impediment, impedimenta, obstructer, obstruction |
|---|
| (noun) someone who systematically obstructs some action that others want to take | Synonyms: obstructer, obstructionist, resister, thwarter |
| obstruent | (noun) a consonant that is produced with a partial or complete blockage of the airflow from the lungs through the nose or mouth | - |
|---|
| obtain | (verb) receive a specified treatment (abstract) | Synonyms: find, get, incur, receive |
|---|
| (verb) come into possession of | - |
| (verb) be valid, applicable, or true | Synonyms: hold, prevail |
| obtainable | (adjective) capable of being obtained | Synonyms: getable, gettable, procurable |
|---|
| obtainment | (noun) the act of obtaining | Synonyms: obtention |
|---|
| obtention | (noun) the act of obtaining | Synonyms: obtainment |
|---|
| obtrude | (verb) thrust oneself in as if by force | Synonyms: intrude |
|---|
| (verb) push to thrust outward | Synonyms: push out, thrust out |
| obtrusive | (adjective) undesirably noticeable | - |
|---|
| (adjective) sticking out; protruding | - |
| obtrusively | (adverb) in an obtrusive manner | - |
|---|
| obtrusiveness | (noun) an unwelcome conspicuousness | - |
|---|
| obtund | (verb) reduce the edge or violence of | - |
|---|
| obturate | (verb) block passage through | Synonyms: block, close up, impede, jam, obstruct, occlude |
|---|
| obturator | (noun) a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate) | - |
|---|
| obtuse | (adjective) of an angle; between 90 and 180 degrees | - |
|---|
| (adjective) (of a leaf shape) rounded at the apex | - |
| (adjective) slow to learn or understand; lacking intellectual acuity | Synonyms: dense, dim, dull, dumb, slow |
| (adjective) lacking in insight or discernment | Synonyms: purblind |
| obtusely | (adverb) stupidly or insensitively | Synonyms: densely, dumbly |
|---|
| obtuseness | (noun) the quality of lacking a sharp edge or point | - |
|---|
| (noun) the quality of being slow to understand | Synonyms: dullness |
| obverse | (noun) the side of a coin or medal bearing the principal stamp or design | - |
|---|
| (noun) the more conspicuous of two alternatives or cases or sides | - |
| obviate | (verb) prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off | Synonyms: avert, avoid, debar, deflect, fend off, forefend, forfend, head off, stave off, ward off |
|---|
| (verb) get rid of something | Synonyms: eliminate, rid of |
| obviating | (adjective) made impossible | Synonyms: preclusive |
|---|
| obviation | (noun) the act of preventing something by anticipating and disposing of it effectively | Synonyms: forestalling, preclusion |
|---|
| obvious | (adjective) easily perceived and understood | - |
|---|
| obviously | (adverb) unmistakably (`plain' is often used informally for `plainly') | Synonyms: apparently, evidently, manifestly, patently, plain, plainly |
|---|
| obviousness | (noun) the property of being easy to see and understand | Synonyms: noticeability, noticeableness, patency |
|---|
| oca | (noun) South American wood sorrel cultivated for its edible tubers | Synonyms: oka, Oxalis crenata, Oxalis tuberosa |
|---|
| ocarina | (noun) egg-shaped terracotta wind instrument with a mouthpiece and finger holes | Synonyms: sweet potato |
|---|
| occasion | (noun) an event that occurs at a critical time | Synonyms: juncture |
|---|
| (noun) a formal or official social gathering or ceremony of people | Synonyms: affair, function, social affair, social function, social gathering, social occasion |
| (noun) a rational motive for a belief or action | Synonyms: ground, reason |
| (noun) an opportunity to do something | - |
| (noun) the time of a particular event | - |
| (verb) give occasion to | - |
| occasional | (adjective) occurring from time to time | - |
|---|
| (adjective) occurring on a temporary or irregular basis | Synonyms: casual |
| (adjective) recurring or reappearing from time to time | Synonyms: periodic |
| (adjective) occurring or appearing at usually irregular intervals | Synonyms: episodic |
| occasionally | (adverb) sporadically and infrequently | Synonyms: at times, from time to time, now and again, now and then, on occasion, once in a while |
|---|
| occasions | (noun) something you have to do | - |
|---|
| occident | (noun) the hemisphere that includes North America and South America | Synonyms: western hemisphere |
|---|
| occidental | (adjective) denoting or characteristic of countries of Europe and the western hemisphere | Synonyms: Hesperian |
|---|
| occidentalise | (verb) make western in character | Synonyms: occidentalize, westernise, westernize |
|---|
| occidentalism | (noun) the quality or customs or mannerisms characteristic of Western civilizations | - |
|---|
| occidentalize | (verb) make western in character | Synonyms: occidentalise, westernise, westernize |
|---|
| occipital | (adjective) of or relating to the occiput | - |
|---|
| occiput | (noun) back part of the head or skull | - |
|---|
| occlude | (verb) block passage through | Synonyms: block, close up, impede, jam, obstruct, obturate |
|---|
| occluded | (adjective) (of a substance) taken into and retained in another substance | Synonyms: sorbed |
|---|
| (adjective) closed off | - |
| occlusion | (noun) the act of blocking | Synonyms: blockage, closure |
|---|
| (noun) an obstruction in a pipe or tube | Synonyms: block, blockage, closure, stop, stoppage |
| (noun) (dentistry) the normal spatial relation of the teeth when the jaws are closed | - |
| (noun) (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft | Synonyms: occluded front |
| (noun) closure or blockage (as of a blood vessel) | - |
| occlusive | (adjective) tending to occlude | - |
|---|
| (noun) a consonant produced by stopping the flow of air at some point and suddenly releasing it | Synonyms: plosive, plosive consonant, plosive speech sound, stop, stop consonant |
| occult | (adjective) having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding | Synonyms: mysterious, mystic, mystical, orphic, secret |
|---|
| (adjective) hidden and difficult to see | - |
| (noun) supernatural practices and techniques | Synonyms: occult arts |
| (noun) supernatural forces and events and beings collectively | Synonyms: supernatural |
| (verb) hide from view | - |
| (verb) cause an eclipse of (a celestial body) by intervention | Synonyms: eclipse |
| (verb) become concealed or hidden from view or have its light extinguished | - |