freak out

noun

"freak-out" is a 8-letter English headword indexed on PlainSpell.

The verdict

“freak out” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A negative or unpleasant experience with LSD or another psychedelic drug.

Corpus desk

Index EN-freak-out · freak out · English

freak out · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for freak out
PropertyValue
Headwordfreak out
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “freak out” in English

freak outsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

freak out is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A negative or unpleasant experience with LSD or another psychedelic drug.".

Zero misspellings are on record for freak out in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From freak + out. Countercultural slang, originally referring to a positive reaction or experience from the use of a psychotropic, usually a hallucinogenic or psychedelic drug. First use appears c. 1966 in several newspapers, particularly in the Independent… The correct English form is freak out, spelled F-R-E-A-K- -O-U-T.

Definition

  1. 1
    A negative or unpleasant experience with LSD or another psychedelic drug.

Etymology

From freak + out. Countercultural slang, originally referring to a positive reaction or experience from the use of a psychotropic, usually a hallucinogenic or psychedelic drug. First use appears c. 1966 in several newspapers, particularly in the Independent (Long Beach, California).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "freak out"?
"freak out" is spelled F-R-E-A-K- -O-U-T.
What does "freak out" mean?
As a noun, "freak out" means: A negative or unpleasant experience with LSD or another psychedelic drug.
What is the origin of the word "freak out"?
From freak + out. Countercultural slang, originally referring to a positive reaction or experience from the use of a psychotropic, usually a hallucinogenic or psychedelic drug. First use appears c. 1966 in several newspapers, particularly in the I... See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list