Did you know?

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

acknowledge - definition and synonyms


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.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

verb [transitive] acknowledge pronunciation in British English /əkˈnɒlɪdʒ/
Word Forms
present tense
present participleacknowledging
past tenseacknowledged
past participleacknowledged
  • Facebook
  • Twitter
  1. 1
    to accept or admit that something exists, is true, or is real
    He never acknowledges his mistakes (=admits that he has made them).
    acknowledge that: She won’t acknowledge that there’s a problem.
    1. a.
      [usually passive] to know or recognize that someone or something is important
      acknowledge something as being/to be something: Wimbledon is widely acknowledged as being the premier tennis tournament.
  2. 2
    to let someone know that you have received something they sent you
    Unfortunately, we cannot acknowledge all the letters we receive.
    acknowledge receipt of something: We will acknowledge receipt of your order if requested.
    1. a.
      to thank someone for something they have done or given you, especially in writing or by saying it publicly
      We gratefully acknowledge the contributions of everyone who helped us.
  3. 3
    to show that you have seen someone or that you recognize them, for example by smiling or speaking to them
    They barely acknowledge each other in public.
    acknowledge someone’s presence: James acknowledged his lawyer’s presence with a small nod.


a meal served in the evening which consists of foods traditionally eaten at breakfast

BuzzWord Article

Open Dictionary

troll factory

a company that pays its employees to write online comments in favour or against somebody or something posing as ordinary Internet users

add a word


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