normal

curious, funny, peculiar, quaint, queer

aberrant, anomalous, atypical, irregular, untypical

rare, scarce

fantastic (also fantastical), phenomenal

bizarre, far-out, outrageous, wacky (also whacky), way-out, weird, wild

eccentric, idiosyncratic, kooky (also kookie), nonconformist, oddball, offbeat, unconventional, unorthodox

freak, freakish

conspicuous, notable, outstanding, prominent, salient, signal, striking, unexampled, unprecedented

singular, unique, unparalleled

crackbrained, cracked, crackpot, cuckoo, daffy, daft, dotty, loony (also looney), nuts, nutty, screwy, wacky (also whacky)

aberrant, delirious, disordered

delusional, disturbed, neurotic, paranoid (also paranoidal), psychotic, schizoid, schizophrenic

eccentric, odd, oddball, off, strange

foolish, senseless, witless

irrational, mixed-up, unreasonable

distracted, distraught, frantic, frenzied, hysterical (also hysteric), raving

amok (or amuck), ballistic, berserk

fixated, obsessed

uncommon, unconventional, uncustomary, unusual, unwonted

distinctive, especial, exceptional, extraordinary, infrequent, noteworthy, rare, remarkable, singular, special, unexpected, unfamiliar, unique, unpredictable

eccentric, idiosyncratic, peculiar, unorthodox

curious, odd, oddball, offbeat, outlandish, quirky, screwy, strange, wacky (also whacky), way-out

bizarre, fantastic (also fantastical), far-out, freak, freakish, kooky (also kookie), out-of-the-way, outrageous, rare, unnatural, weird, wild