challenging meaning and definition

CHALLENGING adjective

Definition of challenging (adjective)

1. requiring full use of your abilities or resources
   • "ambitious schedule"; "performed the most challenging task without a mistake"
   • synonyms: ambitious
2. stimulating interest or thought
   • "a challenging hypothesis"; "a thought-provoking book"
   • synonyms: thought-provoking
3. disturbingly provocative
   • "an intriguing smile"
   • synonyms: intriguing