freak Meaning, Definition & Usage

  1. noun a person or animal that is markedly unusual or deformed
    monstrosity; lusus naturae; monster.
  2. noun someone who is so ardently devoted to something that it resembles an addiction
    nut; addict; junkie; junky.
    • a golf addict
    • a car nut
    • a bodybuilding freak
    • a news junkie
  3. verb lose one's nerve
    gross out; freak out.
    • When he saw the accident, he freaked out

WordNet

Freak transitive verb
Etymology
Akin to OE. frakin, freken, freckle, Icel. freknur, pl., Sw. fräkne, Dan. fregne, Gr. dark-colored, Skr. p&rsdot;&cced;ni variegated. Cf. Freckle, Freck.
Wordforms
imperfect & past participle Freaked ; present participle & verbal noun Freaking
Definitions
  1. To variegate; to checker; to streak. R.
    Freaked with many a mingled hue. Thomson.
Freak noun
Etymology
Prob. from OE. frek bold, AS. frec bold, greedly; akin to OHG. freh greedly, G. frech insolent, Icel. frekr greedly, Goth. faíhufriks avaricious.
Definitions
  1. A sudden causeless change or turn of the mind; a whim of fancy; a capricious prank; a vagary or caprice.
    She is restless and peevish, and sometimes in a freak will instantly change her habitation. Spectator.
    Syn. -- Whim; caprice; folly; sport. See Whim.

Webster 1913