adjective
unique, odd
Synonyms: atypical, avant-garde, bizarre, breaking new ground, conspicuous, cool, curious, eccentric, eminent, exceptional, extraordinary, loner, noteworthy, original, outlandish, out-of-the-way, outstanding, peculiar, prodigious, puzzling, queer, rare, remarkable, special, strange, uncommon, unimaginable, unordinary, unparalleled, unprecedented, unthinkable, unusual, unwonted, weird
Antonyms: normal, ordinary, regular, usual
adjective
alone, separate
Synonyms: certain, definite, discrete, exclusive, individual, one, only, particular, respective, single, sole, solitary, solo, unique, unrepeatable
Antonyms: attached, combined, mixed, together