[ freek-out ]

nounAlso freak-out .
  1. an act or instance of freaking out.

  2. a person who freaks out.

verb phrasefreak out [freek out]. /ˌfrik ˈaʊt/.
  1. to lose or cause to lose emotional control from extreme excitement, shock, fear, joy, despair, etc.: Seeing the dead body completely freaked him out.

  2. to enter into or cause a period of irrational behavior or emotional instability, especially under the influence of a drug: to be freaked out on LSD.

Origin of freakout

First recorded in 1965–70; noun use of verb phrase freak out (in the sense “to lose one's emotional control” Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use freakout in a sentence

  • Then he called to a cop who was just coming in: 'Say, O'Keefe, run that young fat freak out of here, will you?

    The Haunted Pajamas | Francis Perry Elliott
  • Not a wooden freak out of Noah's ark, whittled out with a jack-knife, such as I had last year.

    Old Crow | Alice Brown

British Dictionary definitions for freak out

freak out

  1. informal to be or cause to be in a heightened emotional state, such as that of fear, anger, or excitement

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

Other Idioms and Phrases with freakout


Experience or cause to experience hallucinations, paranoia, or other frightening feelings as a result of taking a mind-altering drug. For example, They were freaking out on LSD or some other drug. [Slang; mid-1960s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.