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

N Word Synonyms and Antonyms

Words Antonyms Synonyms
Nab apprehend, arrest, seize, catch, clutch, grab release, free, discharge
Native congenial, inherited, inborn, indigenous, aboriginal, raw alien, foreign, outside
Naughty mischievous, immodest, indecent, unbecoming, unseemly, untoward modest, proper, behaved
Neglect disregard, ignore, slight, default, fail, omit honor, respect, regard
Negligent derelict, lax, careless, neglectful, remiss, slack attentive, careful, mindful
Negligible inconsiderable, paltry, petty, trifling, slender, slight significant, major, important
Nervous agitated, anxious, concerned, jittery, restive, tense calm, content, unconcerned
Nominal formal, apparent, stated, purported, ostensible, seeming actual, real, true
Nurture cultivate, foster, nourish, nurse, discipline, train deprive, ignore, neglect

O Word Synonyms and Antonyms

Words Antonyms Synonyms
Obedient amenable, compliment, conformable, docile, submissive, supple insolent, mutinous, insolent
Obese corpulent, fleshy, gross, portly, overweight, stout emaciated, underweight, skinny
Objective concrete, substantial, equitable, nonpartisan, realistic, unbiased prejudiced, partial, subjective
Obsolete outdated, useless, discarded, archaic, antique, superseded contemporary, current, modern
Obstacle bar, barrier, block, clog, hurdle, hindrance assistance, clearance, opening
Obvious apparent, clear, distinct, visible, plain, evident ambiguous, obscure, vague
Offensive atrocious, disgusting, foul, repellent, sickening, vile agreeable, pleasing, wonderful
Omit drop, eliminate, remove, default, fail, neglect include, insert, inject
Opaque blurred, dusky, foggy, hazy, misty, sooty lucid, unclouded, transparent
Opulent lavish, lush, luxurious, palatial, rich, sumptuous depressed, destitute, poor
Ordeal trail, crucible, affliction, agony, distress, tribulation happiness, relief, pleasure
Original fundamental, prime, authentic, genuine, innovative, initial derivative, latest, newest
Orthodox conventional, recognized, sanctioned, conservative, traditionalist, conformist heterodox, progressive, radical
Oscillate sway, swing, dangle, flicker, seesaw, vacillate stay, steady, remain
Oust bump, dismiss, eject, evict, expel, remove hold, keep, retain
Outstanding noticeable, prominent, remarkable, salient, extraordinary, singular inferior, ordinary, average