Dictionary.com
Thesaurus.com
Synonyms

freak

1 American  
[freek] / frik /

noun

  1. any abnormal phenomenon or product or unusual object; anomaly; aberration.

  2. a person or animal on exhibition as an example of a strange deviation from nature.

  3. a sudden and apparently causeless change or turn of events, the mind, etc.; an apparently capricious notion, occurrence, etc..

    That kind of sudden storm is a freak.

    Synonyms:
    crotchet, quirk, vagary
  4. Numismatics. an imperfect coin, undetected at the mint and put into circulation.

  5. Philately. a stamp differing from others of the same printing because of creases, dirty engraving plates, etc.

  6. Slang.

    1. a person who has withdrawn from normal, rational behavior and activities to pursue one interest or obsession.

      a drug freak.

    2. a devoted fan or follower; enthusiast.

      a baseball freak.

    3. a hippie.

  7. Archaic. capriciousness; whimsicality.


adjective

  1. unusual; odd; irregular.

    a freak epidemic.

verb (used with or without object)

  1. to become or to make (someone) insane or out of control, as a result of being frightened, wildly excited, or high on drugs: The loud noise freaked the horses just as they were being loaded into trailers.

    Mom'll freak if she ever finds out we threw that party when she was out of town.

    The loud noise freaked the horses just as they were being loaded into trailers.

verb phrase

  1. freak out freakout.

freak 2 American  
[freek] / frik /

verb (used with object)

  1. to fleck, streak, or variegate.

    great splashes of color freaking the sky.


noun

  1. a fleck or streak of color.

freak 1 British  
/ friːk /

noun

  1. a person, animal, or plant that is abnormal or deformed; monstrosity

    1. an object, event, etc, that is abnormal or extremely unusual

    2. ( as modifier )

      a freak storm

  2. a personal whim or caprice

  3. informal a person who acts or dresses in a markedly unconventional or strange way

  4. informal a person who is obsessed with something specified

    a jazz freak

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. See freak out

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
freak 2 British  
/ friːk /

noun

  1. a fleck or streak of colour

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to streak with colour; variegate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of freak1

First recorded in 1555–65; 1965–70 freak 1 for def. 6; perhaps akin to Old English frīcian “to dance”

Origin of freak2

Apparently introduced by Milton in Lycidas (1637), perhaps as blend of freck to mark with spots (perhaps back formation from freckle ) and streak

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Ghost” is for the lovelorn ceramics obsessives; “Soul” for the jazz lovers; “Beetlejuice” for the freaks.

From Salon

That is until Maia and Alani ignore a sign to stay downstairs and find him hiding out in his bedroom watching YouTube videos on a big TV; the latter freaks out and leaves the room.

From Los Angeles Times

Mrs Walker's husband, Kevin, said afterwards that he did not want his wife's death to be used as a reason for more curbs on water bikes, describing the incident as "very much a freak accident".

From BBC

The veteran Snoqualmie arborist died at age 51 in a freak accident while cutting trees.

From Seattle Times

“I think it worked really well because I think we were both, like, neat freaks,” said Tremaine Price, nowadays 43, noting that an original flatmate, you know, wasn’t.

From Washington Post