List of Synonyms and Antonyms of “N” and “O” Words

N Word Synonyms and Antonyms

Nabapprehend, arrest, seize, catch, clutch, grabrelease, free, discharge
Nativecongenial, inherited, inborn, indigenous, aboriginal, rawalien, foreign, outside
Naughtymischievous, immodest, indecent, unbecoming, unseemly, untoward modest, proper, behaved
Neglectdisregard, ignore, slight, default, fail, omithonor, respect, regard
Negligentderelict, lax, careless, neglectful, remiss, slackattentive, careful, mindful
Negligibleinconsiderable, paltry, petty, trifling, slender, slightsignificant, major, important
Nervousagitated, anxious, concerned, jittery, restive, tensecalm, content, unconcerned
Nominalformal, apparent, stated, purported, ostensible, seemingactual, real, true
Nurturecultivate, foster, nourish, nurse, discipline, traindeprive, ignore, neglect

O Word Synonyms and Antonyms

Obedientamenable, compliment, conformable, docile, submissive, suppleinsolent, mutinous, insolent
Obesecorpulent, fleshy, gross, portly, overweight, stoutemaciated, underweight, skinny
Objectiveconcrete, substantial, equitable, nonpartisan, realistic, unbiasedprejudiced, partial, subjective
Obsoleteoutdated, useless, discarded, archaic, antique, supersededcontemporary, current, modern
Obstaclebar, barrier, block, clog, hurdle, hindranceassistance, clearance, opening
Obviousapparent, clear, distinct, visible, plain, evidentambiguous, obscure, vague
Offensiveatrocious, disgusting, foul, repellent, sickening, vileagreeable, pleasing, wonderful
Omitdrop, eliminate, remove, default, fail, neglectinclude, insert, inject
Opaqueblurred, dusky, foggy, hazy, misty, sootylucid, unclouded, transparent
Opulentlavish, lush, luxurious, palatial, rich, sumptuousdepressed, destitute, poor
Ordealtrail, crucible, affliction, agony, distress, tribulationhappiness, relief, pleasure
Originalfundamental, prime, authentic, genuine, innovative, initialderivative, latest, newest
Orthodoxconventional, recognized, sanctioned, conservative, traditionalist, conformistheterodox, progressive, radical
Oscillatesway, swing, dangle, flicker, seesaw, vacillatestay, steady, remain
Oustbump, dismiss, eject, evict, expel, removehold, keep, retain
Outstandingnoticeable, prominent, remarkable, salient, extraordinary, singular inferior, ordinary, average