Obscurity, n. 1. Darkness, dimness, gloom, gloominess, shade, obscuration, cloud, obfuscation.
2. Seclusion, retirement, privacy.
Obsequies, n. pl. Exequies, funeral rites, funeral solemnities.
Obsequious, a. Fawning, sycophantic, cringing, servile, slavish, supple, meanly submissive.
Obsequiousness, n. Fawning, cringing, servility, slavishness, suppleness, sycophancy, mean compliance.
Observable, a. Noticeable, remarkable, marked, striking.
Observance, n. 1. Performance, fulfilment, discharge, acquittal.
2. Form, ceremony, ceremonial, rite, practice, custom, usage, fashion.
Observant, a. Mindful, regardful, heedful, attentive, watchful.
Observation, n. 1. Notice, attention.
2. Remark, note, annotation, comment.
Observe, v. a. 1. Notice, remark, note, watch, eye, mark, take note of, pay attention to.
2. Fulfil, obey, follow, comply with, conform to, adhere to, be faithful to.
3. Celebrate, regard, keep, solemnize.
Observe, v. n. 1. Take notice.
2. Make a remark.
Observer, n. Beholder, spectator, bystander, on-looker, looker-on.
Obsolescent, a. Becoming obsolete, going out of use, falling into desuetude.
Obsolete, a. Antiquated, disused, neglected, unfashionable, old-fashioned, out of date, fallen into desuetude.
Obstacle, n. Hinderance, obstruction, impediment, difficulty, check, barrier, stumbling-block, lion in the way.
Obstetrician, n. Midwife, accoucheur.
Obstetrics, n. pl. Midwifery, tocology.
Obstinacy, n. Stubbornness, doggedness, heartiness, wilfulness, perversity, contumacy, obduracy, inflexibility, pertinacity, persistency, pig-headedness.
Obstinate, a. Stubborn, dogged, contumacious, unyielding, inflexible, perverse, mulish, opinionated, opinionative, wilful, heady, headstrong, refractory, unruly, cross-grained, intractable, cantankerous, obdurate, persistent, self-willed, pig-headed.
Obstreperous, a. Loud, noisy, clamorous, turbulent, tumultuous, vociferous, boisterous, uproarious, blatant, brawling, blustering.
Obstruct, v. a. 1. Close, bar, stop, blockade, barricade, block up, dam up.
2. Hinder, impede, oppose, retard.
Obstruction, n. Hinderance, obstacle, impediment, barrier, check, difficulty.
Obtain, v. a. Procure, get, acquire, achieve, gain, win, earn, secure, get possession of.
Obtest, v. a. Beseech, implore, conjure, supplicate, beg, invoke, entreat, pray, solicit, importune, conjure, adjure.
Obtrude, v. a. Intrude, thrust in, press in, foist in, worm in.
Obtrusive, a. Intrusive, inclined to obtrude.
Obtund, v. a. Blunt, dull, deaden, quell, hebetate, take off the edge of.
Obtuse, a. Dull, stupid, stolid, doltish, blockish, stockish, heavy, slow, unintelligent, unintellectual, shallow, dull-witted, blunt-witted.
Obtuseness, n. 1. Bluntness.
2. Dulness, stupidity, stolidity, doltishness, shallowness.
Obviate, v. a. Preclude, prevent, turn aside, remove in the outset, provide against.
Obvious, a. Plain, evident, manifest, clear, palpable, visible, patent, apparent, unmistakable.
Occasion, n. 1. Occurrence, incident, casualty, event.
2. Opportunity, juncture, conjuncture, opening, room, suitable time, favorable time, nick of time, golden opportunity.
3. Necessity, need, exigency.
4. Cause (accidental), ground, reason.
Occasion, v. a. 1. Cause, produce, originate, breed, create, bring about, give rise to, give occasion to, bring to pass, be the cause of.
2. Induce, influence, persuade, move.
