Did you know?

Click any word in a definition or example to find the entry for that word

knock out - thesaurus entry

Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

phrasal verb
  1. 1
    to make someone unconscious

    *American English synonyms or related words for this sense of knock out*

    Losing and regaining consciousness: faint, pass out, knock out, black out, collapse, go under, fit, stun, faint, slump... more
  3. 3
    to destroy something, or to stop it working

    *American English synonyms or related words for this sense of knock out*

    To destroy or severely damage something: destroy, ruin, devastate, obliterate, ravage, mutilate, vandalize, eat away, shatter, trash... more
  5. 5
    informal to make someone feel very shocked or upset

    *American English synonyms or related words for this sense of knock out*

    To make someone feel sad or upset: upset, wound, disturb, depress, distress, devastate, dismay, hang over, stab, worry... more
  6. 6
    informal to produce something quickly or carelessly

    *American English synonyms or related words for this sense of knock out*

    General words for to produce goods: produce, bring out, issue, churn out, roll out, grind out, turn out, manufacture, rush out, bang out... more
  7. 7
    to make someone lose a quality

    *American English synonyms or related words for this sense of knock out*

    To have an effect on someone's emotions or attitudes: influence, decide, lead to, grip, stir, skew, give, catch, pack a punch, color... more
  8. 8
    knock yourself out informal to do a lot of work in order to achieve something

    *American English synonyms or related words for this sense of knock out*

    To work hard: work at, forge, overwork, slave, toil, apply yourself, put your back into something, buckle down, labor, exert yourself... more

These are synonyms and/or related words for knock out in the American English Thesaurus. View synonyms and/or related words for knock out in the British English Thesaurus.

Change your default dictionary and thesaurus to British English.

See also main entry: knock

vocal fry

a speech habit in which a speaker lowers their voice at the end of a sentence

BuzzWord Article

Word of the Day Word of the Day

dray

a type of cart pulled by a horse and used in the past for carrying barrels of beer

Open Dictionary

conflict mineral

a mineral which is mined in a place where there is armed conflict, and sold to help pay for weapons

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog