Challenging fun Synonyms

Challenging replaced

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

Synonyms for phrase

CF abbreviation

CF is an abbreviation for Challenging Fun
What does CF stand for?
CF stands for "Challenging Fun"

Fun replaced

Definitions for Fun


  • (verb) to make jokes
  • (adjective) providing amusement or enjoyment
  • (noun) someone or something that provides amusement or enjoyment