freak out
Britishverb
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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]
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Behave or cause to behave irrationally and uncontrollably, with enthusiasm, excitement, fear, or madness. For example, The band's wild playing made the audience freak out , or It was such a close accident, it really freaked me out , or She freaked out and ended up in the psychiatric ward . [ Slang ; 1960s] Also see flip one's lid ; wig out .
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.
Investors freak out in October, but that doesn’t always mean they should.
From MarketWatch ● Oct. 22, 2026
An afterthought if not a redheaded stepchild, though expect affronted fellow media outlets to freak out because of what NBC News once was, not what it is.
From The Wall Street Journal ● Jun. 30, 2026
After she nurses him back to health, Matt falls madly in love only to freak out when he learns about her sordid past.
From Los Angeles Times ● Dec. 15, 2025
"If you were, like, 'There's turbulence up ahead, I don't know if we're actually going to land in Dallas'... everyone on the plane is going to freak out," she explains.
From BBC ● Dec. 12, 2025
I’m going to go home and freak out.
From "It’s Kind of a Funny Story" by Ned Vizzini
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