knock it off

verb

"knock-it-off" is a 10-letter English headword indexed on PlainSpell.

The verdict

“knock it off” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To cease doing something, particularly annoying or unpleasant; to desist.

Corpus desk

Index EN-knock-it-off · knock it off · English

knock it off · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "K" 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 knock it off
PropertyValue
Headwordknock it off
LanguageEnglish
Part of speechVerb
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “knock it off” in English

knock it offranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

knock it off is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To cease doing something, particularly annoying or unpleasant; to desist.".

knock it off doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry carries no recorded etymology, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is knock it off, spelled K-N-O-C-K- -I-T- -O-F-F.

Definition

  1. 1
    To cease doing something, particularly annoying or unpleasant; to desist.

Recorded use

Wiktionary example

These source excerpts show how knock it off appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Would you two please knock it off with the shouting? I'm trying to sleep.

This word in other languages

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 "knock it off"?
"knock it off" is spelled K-N-O-C-K- -I-T- -O-F-F.
What does "knock it off" mean?
As a verb, "knock it off" means: To cease doing something, particularly annoying or unpleasant; to desist.
What language does "knock it off" come from?
"knock it off" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list