Synonyms of singular

1 Syllable

weird, quaint, queer, cool, stag, rum, rare

2 Syllables

quainter, curious, kooky, queerer, special, queerest, strange, loner, striking, quaintest, rummy, rumer, champer, rarest, odder, puzzling, oddest, screened, singler, novel, novels, weirder, weirdest, express, kookier, rummier, strangest, standout, oner

3 Syllables

prodigious, rarer, diacritic, marvelous, unusual, bizarre, subtilest, unpaired, outlandish, eccentric, peculiar, unheard-of, unwonted, fantastic, blockaded, whimsical, gilt-edged, eminent, conspicuous, singled-out, secluded, uncommon, unshared, outstanding, uncanny, subtiler, especial

4 Syllables

phenomenal, individual, respective, original, hermitical, particular, avant-garde, unrenowned, out-of-the-way, unthinkable, distinctive, exceptional, distinguished, supernormal, supranormal, atypical, remarkable, unitary, solitary, noteworthy

5 Syllables

unprecedented, unordinary, characteristic, uncustomary, extraordinary, unparalleled

6 Syllables

inapprehensible, unimaginable