challenge is on the Academic Word List.

Pronunciation change

  • IPA (key): /ˈtʃæl.ɪndʒ/ or /ˈtʃæl.əndʒ/
  • SAMPA: /"tS{l.IndZ/-@ndZ/
  • (file)

Noun change

Singular
challenge

Plural
challenges

Challenge is on the Academic Vocabulary List.
  1. (countable) A challenge is something difficult that you want or have to do.
    Many churches overseas are struggling to meet the AIDS challenge.
    After 25 years in the same job, this move will allow me to take on new challenges.
  2. (countable) A challenge is an offer to compete or fight.
    The president issued a challenge to his critics to appear in a public debate.

Synonyms change

Verb change

Plain form
challenge

Third-person singular
challenges

Past tense
challenged

Past participle
challenged

Present participle
challenging

Challenge is on the Academic Vocabulary List.
  1. (transitive) If you challenge somebody, you give them something very difficult to do.
    The job challenges his computer skills.
  2. (transitive) If you challenge somebody, you offer to compete or fight.
    He challenged me to a game of chess.

Related words change