Challenging zone 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

CZ abbreviation

CZ is an abbreviation for Challenging Zone
What does CZ stand for?
CZ stands for "Challenging Zone"

Zone replaced

Definitions for Zone