unusual (adj.)

• atypical
• bizarre
• breakaway
• curious
• different
• eccentric
• exceptional
• extraordinary
• freakish
• infrequent
• novel
• odd
• offbeat
• original
• outlandish
• peculiar
• quaint
• queer
• rare
• recherche
• remarkable
• scarce
• singular
• slow
• sparse
• strange
• uncommon
• unconventional
• unexpected
• unfamiliar
• unheard-of
• unimaginable
• unique
• unorthodox
• unprecedented
• unthinkable
• unthought-of
• untypical
• unwonted