Synonyms of 'challenge'
Video: pronunciation of 'challenge'
Thesaurus for challenge from the Collins American English Thesaurus
A challenge is something new and difficult which requires great effort and determination .
Study guides for every stage of your learning journey
Whether you're in search of a crossword puzzle, a detailed guide to tying knots, or tips on writing the perfect college essay, Harper Reference has you covered for all your study needs.