challenge - definition and synonyms

 
 
 
noun 

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/ˈtʃæləndʒ/
singularchallenge
pluralchallenges
  1. 1
    [countable/uncountable] something that needs a lot of skill, energy, and determination to deal with or achieve, especially something you have never done before and will enjoy doing

    I was bored with my job and felt I needed a new challenge.

    meet a challenge (=deal with it successfully):

    Are western nations ready to meet the enormous environmental challenges that lie ahead?

    challenge of:

    We were all keen walkers, and enjoyed the challenge of this remote place.

    the challenge is to do something:

    The challenge for policy-makers is to achieve economic growth without damaging the environment.

    face a challenge (=have to deal with one):

    The new government faces the daunting challenge of completing the building on time.

  2. 2
    [countable] an action or idea that questions whether something is true, accurate, or legal

    He began a legal challenge to clear his name.

    challenge to:

    There seems to be no significant challenge to the party’s free-market ideology.

    pose/present a challenge to something:

    Recent discoveries pose a serious challenge to accepted views on the age of the universe.

    1. a.
      a refusal to accept someone’s authority
      challenge to:

      The strike was seen as a direct challenge to the authority of the government.

      mount a challenge (=make one):

      They have failed to mount a serious challenge to the existing leadership.

  3. 3
    [countable] an invitation to someone to compete or fight, especially in sport
    challenge for:

    Federer returned to make a major challenge for the Wimbledon title.

    issue a challenge:

    One of the men issued the challenge, ‘I’ll take on any two of you.’