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1 having no equal or rival for excellence or desirability the only way to really appreciate the beauty of the forest is to walk through it Synonyms incomparable, inimitable, matchless, nonpareil, peerless, unequaled (or unequalled), unexampled, unmatched, unparalleled, unrivaled (or unrivalled), unsurpassable, unsurpassed Related Words alone, singular, unique; exceptional, extraordinary, rare, uncommon, unusual; A-OK, A1, awesome, bang-up, banner, beautiful, blue-chip, boffo, bonny (also bonnie) [chiefly British], boss [slang], brag, brave, bully, bumper, capital, choice, classic, cool [slang], corking, crackerjack, cracking, dandy, divine, dope [slang], down [slang], dynamite, excellent, fab, fabulous, famous, fantabulous [slang], fantastic, fine, first-class, first-rate, first-string, five-star, frontline, gangbusters (also gangbuster), gone [slang], grand, great, groovy, heavenly, high-class, hot, hype [slang], immense, jim-dandy, keen, lovely, marvelous (or marvellous), mean, neat, nifty, noble, number one (also No. 1), numero uno, out-of-sight [slang], par excellence, peachy, peachy keen, phat [slang], prime, primo [slang], prize, prizewinning, quality, radical [slang], righteous [slang], sensational, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-notch, wizard [chiefly British], wonderful; better, preferred; exceptional, fancy, high-grade, special Phrases out of sight Near Antonyms common, commonplace, everyday, familiar, frequent, garden, household, normal, ordinary, routine, ubiquitous, usual; inferior, lesser, worse, worst; bad, bastard, bush, bush-league, deficient, depressed, dissatisfactory, ill, inferior, lame, lousy, low, lower, off, paltry, poor, punk, substandard, unacceptable, unsatisfactory, wanting; low-grade, substandard; mediocre, second-class, second-rate; atrocious, awful, execrable, pathetic, rotten, terrible, vile, wretched

2 being the one or ones of a class with no other members that is the only possible right answer we were the only passengers on the tour bus Synonyms alone, lone, one, one-off, singular, sole, solitary, special, sui generis, unique Related Words single, solo, unaccompanied, unattended; incomparable, inimitable, matchless, peerless, unequaled (or unequalled), unmatched, unparalleled, unrivaled (or unrivalled), unsurpassable, unsurpassed; distinct, distinctive, individual, separate; nonce Near Antonyms divers, manifold, multifarious, myriad; assorted, heterogenous, miscellaneous, mixed, motley, patchwork, promiscuous, varied; popular, prevailing, prevalent, rampant; perennial, recurrent, repeated