Did you know?

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

faithful - 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.

adjective faithful pronunciation in British English /ˈfeɪθf(ə)l/

Related words

  • Facebook
  • Twitter
  1. 1
    continuing to support someone or be their friend, even in a difficult situation
    a faithful friend/servant/follower:

    He had always been a faithful friend.

    Synonyms and related words
    1. a.
      continuing to do or believe something, even in a difficult situation
      faithful to:

      He remained faithful to his beliefs.

      Synonyms and related words
    2. b.
      used about someone’s actions

      Dr Still gave years of faithful service.

      Synonyms and related words
  2. 2
    showing or describing something in a way that is exactly correct

    a faithful reproduction of the original painting

  3. 3
    not having sex with anyone other than your partner
    faithful to:

    Ken has always been faithful to his wife.

derived word


noun [uncountable]

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

BuzzWord Article

Word of the Day


to teach someone

Open Dictionary


an electric skateboard

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
Macmillan learn live love play