О — оа об ов ог од ож оз ой ок ол ом он оп ор ос от оф ох оц оч ош ощ
опадать — fall, fall off, shed, drop, subside, sink, abate, recede, go down, droop;
опаздывать — be late, run late, arrive late, be overdue, fall behind, be tardy, miss;
опалить — singe, scorch, char, sear, burn slightly;
опальный — disgraced, out of favor, fallen from grace, banished, exiled, ostracized;
опасаться — be afraid of, fear, beware of, be wary of, dread, be apprehensive of, have misgivings about, be concerned about;
опасение — fear, apprehension, concern, misgiving, anxiety, worry, trepidation, foreboding;
опаска — apprehension, misgiving, wariness, trepidation, unease;
опасно — dangerous, hazardous, perilous, unsafe, risky, treacherous, dangerously, riskily;
опасность — danger, hazard, peril, risk, threat, menace, jeopardy;
опасный — dangerous, hazardous, perilous, risky, unsafe, precarious, treacherous, menacing, threatening, harmful;
опасть — fall off, fall, subside, go down, collapse, become hollow, fall in, sag;
опека — guardianship, custody, care, trusteeship, wardship, tutelage;
опекать — take care of, look after, be a guardian to, foster, protect, shield, be a mentor to, mother, coddle, patronize;
опекун — guardian, custodian, trustee, carer, foster parent, conservator;
опель — Opel;
опера — opera, opera house;
оперативник — detective, operative, field agent, undercover agent, plainclothes officer, intelligence officer, field operative, field officer;
оперативно — promptly, quickly, efficiently, swiftly, expeditiously, rapidly, in a timely manner, speedily;
оперативно-розыскной — investigative, operational-investigative, covert, undercover, intelligence-gathering;
оперативность — efficiency, promptness, responsiveness, speed, timeliness, swiftness, quickness, agility, dispatch, alacrity;
оперативный — operational, operative, prompt, quick, efficient, swift, rapid, timely, responsive;
оператор — operator, cameraman, camera operator, machinist, machine operator, technician, dispatcher, controller, statement, instruction;
операционный — operational, operating, surgical;
операция — operation, surgery, procedure, transaction, campaign, action;
опередить — overtake, get ahead of, outpace, surpass, forestall, anticipate, be ahead of, outrun;
опережать — overtake, outpace, outrun, outstrip, surpass, get ahead of, be ahead of, anticipate, forestall, preempt;
оперетта — operetta, light opera, comic opera;
опереться — lean on, lean against, rest on, rest against, recline on, recline against, prop oneself up on, prop oneself up against, brace oneself against, rely on;
оперировать — operate, perform surgery, operate on, handle, manipulate, use;
оперный — opera, operatic;
опешить — be taken aback, be dumbfounded, be flabbergasted, be nonplussed, be stunned, be bewildered, be caught off guard;
опилки — sawdust, wood shavings, shavings, wood dust, filings;
опилок — sawdust, wood shavings, shavings, wood dust;
опираться — lean on/against, rest on/against, rely on, depend on, be based on, draw on/upon, build on/upon, fall back on;
описание — description, account, portrayal, depiction, specification, profile, exposition, delineation, write-up;
описать — describe, depict, portray, outline, characterize, illustrate, represent, detail, recount, render;
описывать — describe, depict, portray, outline, characterize, represent, illustrate, chronicle, delineate, picture;
описываться — be described, be depicted, be portrayed, be outlined, be reported, be represented, be characterized, be specified, make a slip;
опись — inventory, list, register, distraint, inventory list;
опиум — opium, hop;
оплакивать — mourn, grieve for/over, lament, bewail, weep for/over, cry over, deplore, bemoan;
оплата — payment, fee, charge, fare, remuneration, compensation, pay, salary, wages, tuition;
оплатить — pay, pay for, settle, cover, foot the bill, remunerate, clear, discharge, make payment, honor;
оплачивать — pay, pay for, pay off, settle, cover, reimburse, remunerate, prepay, foot the bill, honor;
оплачиваться — be paid, be paid for, be compensated, be remunerated, be covered, be funded, be sponsored;
оплот — stronghold, bulwark, bastion, citadel, mainstay, pillar, cornerstone, rampart;
оплошность — mistake, error, blunder, oversight, slip, lapse, gaffe, faux pas, misstep, omission;
оповестить — notify, inform, alert, advise, apprise, announce, give notice, let know;
опоздание — lateness, tardiness, being late, late arrival;
опоздать — be late, arrive late, run late, be delayed, miss, be tardy;
опознать — identify, recognize, pick out, positively identify;
опозорить — disgrace, dishonor, shame, discredit, humiliate, bring shame upon, bring into disrepute, tarnish, stigmatize, bring to shame;
ополчение — militia, people's volunteer army, levee en masse, home guard, citizen army, territorial army, volunteer corps;
опомниться — come to one's senses, come to, regain consciousness, come round, collect oneself, pull oneself together, snap out of it, get a grip on oneself, remember oneself;
опор — support, pillar, prop, base, foundation, abutment, pier, bearing, fulcrum, rest;
опорный — supporting, reference, basic, base, key, main, bearing, pivotal, anchor, fundamental;
опосля — afterwards, later on, thereafter, subsequently, after, after a while, then;
опосредовать — mediate, act as an intermediary, be mediated by, be effected through, be facilitated by;
опохмелиться — have a hair of the dog, have a pick-me-up, have a morning-after drink, have a livener, have an eye-opener, cure a hangover with more alcohol;
оппозиционный — opposition, opposing, dissident, dissenting, contrary, adversarial, antagonistic, oppositional;
оппозиция — opposition, resistance, dissent, counteraction, antagonism, disagreement, stonewalling;
оппонент — opponent, adversary, rival, competitor, challenger, antagonist, contender, disputant, counterpart;
оправа — frame, setting, mount, rim, bezel, ring;
оправдание — justification, excuse, vindication, acquittal, exoneration, explanation, alibi, defense / defence;
оправдать — justify, acquit, exonerate, vindicate, live up to, meet, excuse, clear, warrant;
оправдаться — justify oneself, make excuses, be acquitted, clear one's name, be exonerated, vindicate oneself, live up to expectations, prove worthwhile, pay off;
оправдывать — justify, excuse, acquit, vindicate, warrant, exonerate, live up to, redeem;
оправдываться — make excuses, justify oneself, explain oneself, be defensive, vindicate oneself, rationalize;
оправиться — recover, get over, recuperate, pull through, bounce back, get back on one's feet, come round, come to, regain consciousness, rally;
определение — definition, determination, identification, ruling, finding, assessment, detection, attribute, modifier;
определенно — definitely, certainly, surely, absolutely, for sure, undoubtedly, unquestionably, distinctly, clearly;
определенность — certainty, definiteness, clarity, specificity, precision, explicitness, distinctness;
определенный — certain, definite, specific, particular, defined, determined, fixed, given, explicit, precise;
определить — determine, define, identify, ascertain, specify, establish, detect, pinpoint, diagnose, set;
определиться — decide, make up one's mind, figure out, settle on, choose, commit to;
определять — determine, define, identify, establish, set, specify, ascertain, assess, measure, detect;
определяться — be determined, be defined, be decided, be identified, be specified, be governed by, depend on, take shape, make up one's mind, settle on;
опробовать — try out, test, sample, pilot, give it a try, check out, put to the test, test-drive, taste;
опровергать — refute, disprove, deny, contradict, rebut, confute, challenge, counter, dispute, debunk;
опровергнуть — refute, disprove, rebut, debunk, confute, invalidate, counter;
опровержение — refutation, rebuttal, disproof, denial, confutation, dementi;
опрокидывать — tip over, overturn, knock over, upset, capsize, topple, upend, turn over, throw back, overthrow;
опрокинуть — tip over, knock over, overturn, capsize, upset, spill, throw back, quaff, overthrow;
опрокинуться — tip over, capsize, overturn, keel over, topple over, turn over, be knocked over, fall over;
опрометью — headlong, helter-skelter, precipitately, at breakneck speed, pell-mell, hastily, full tear, at top speed;
опрос — survey, poll, questionnaire, inquiry, interrogation, canvass;
опросить — survey, poll, question, interview, interrogate, canvass, debrief;
опрятно — neatly, tidily, sprucely, smartly;
опрятный — neat, tidy, dapper, spruce, trim, well-groomed, clean, orderly, kempt, natty;
оптимальный — optimal, optimum, best, ideal, most suitable, most appropriate, most efficient, most favorable;
оптимизация — optimization, optimisation, streamlining, refinement, tuning;
оптимизировать — optimize, streamline, make more efficient, fine-tune, rationalize;
оптимизм — optimism, hopefulness, buoyancy, sanguineness, positive outlook, high spirits;
оптимист — optimist, pollyanna, idealist, positive thinker;
оптимистический — optimistic, upbeat, positive, hopeful, sanguine, bullish, buoyant, rosy;
оптимистичный — optimistic, hopeful, positive, sanguine, upbeat, buoyant, cheerful;
оптический — optical, optic;
оптовый — wholesale, bulk, wholesaler;
опубликование — publication, publishing, promulgation, making public, disclosure, release;
опубликовать — publish, post, release, issue, make public, disclose, promulgate, bring out, put out, get out;
опус — opus, work, composition, magnum opus, piece;
опускать — lower, drop, let down, put down, dip, sink, omit, leave out, cast down, humiliate;
опускаться — sink, descend, go down, lower, drop, stoop, dip, slump, sag, get down;
опустеть — become empty, empty, be emptied, clear out, become deserted, drain;
опустить — lower, put down, drop, dip, immerse, omit, leave out, humiliate, cast down, insert;
опуститься — go down, sink, drop, lower, fall, descend, stoop, degrade oneself, hit rock bottom, settle;
опустошить — devastate, ravage, empty, drain, deplete, desolate, lay waste, gut, hollow out, exhaust;
опутать — entangle, enmesh, ensnare, entrap, twine, intertwine, wrap around, coil around, enweb, catch in a web;
опухнуть — swell, swell up, become swollen, get swollen, puff up, tumefy;
опухоль — tumor, tumour, neoplasm, growth, mass, lump, bump, knot;
опушка — edge of the forest, forest edge, wood's edge, forest fringe, verge of the forest, outskirts of the forest;
опыт — experience, expertise, background, track record, experiment, test, trial, know-how;
опытный — experienced, skilled, proficient, seasoned, practiced, adept, expert, veteran, knowledgeable, competent;
опьянение — intoxication, drunkenness, inebriation, inebriety, tipsiness, intoxicated state, state of drunkenness, fuddle;
опять — again, once again, once more, over again;
опять-таки — again, once again, then again, on the other hand, that being said, mind you;
