freakish in WordNet English dictionary

1. conspicuously or grossly unconventional or unusual
   "restaurants of bizarre design--one like a hat, another like a rabbit"; "famed for his eccentric spelling"; "a freakish combination of styles"; "his off-the-wall antics"; "the outlandish clothes of teenagers"; "outre and affected stage antics"
   bizarre  eccentric  freakish  freaky  flaky  flakey  gonzo  off-the-wall  outlandish  outre 
   
2. changeable
   "a capricious summer breeze"; "freakish weather"
   capricious  freakish 
   
3. characteristic of a freak
   "a freakish extra toe"
   freakish