a person, animal, or plant with a physical abnormality
a person seen as being highly unconventional, esp in dress or ideas
a highly unusual, rare, and unforeseeable event or phenomenon
(used before a noun) occurring unexpectedly and under most unusual circumstances
a freak accident
informal an ardent enthusiast
a science fiction freak
slang (usu in combination) a person who uses an illegal drug, usu of a type specified
an acid freak
archaic a sudden and odd or seemingly pointless idea or whim
freakish adj
freakishly adv
freakishness noun
[origin unknown]