Challenging puzzle Synonyms

Definitions for Challenging


  • (adjective) requiring considerable physical or mental effort
  • (adjective) requiring much time, effort, or careful attention
  • (adjective) requiring full use of your abilities or resources

Definitions for Puzzle


  • (noun) something hard to understand or explain
  • (verb) to throw into a state of mental uncertainty
  • (verb) be uncertain about; think about without fully understanding or being able to decide