Word Origin & History
freak1560s, "sudden turn of mind," perhaps related to O.E. frician "to dance" (not recorded in M.E., but the word may have survived in dialect), or perhaps from M.E. frek "bold, quickly," from O.E. frec "greedy, gluttonous." Sense of "capricious notion" (1560s) and "unusual thing, fancy" (1784) preceded that
EXPANDin freak of nature (1847). The sense in health freak, ecology freak, etc. is attested from 1908. The verb meaning "change, distort" goes back to 1911.
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