Arduous occurrence Synonyms

Arduous replaced

Definitions for Arduous


  • (adjective) requiring considerable physical or mental effort
  • (adjective) requiring much time, effort, or careful attention
  • (adjective) characterized by effort to the point of exhaustion; especially physical effort

Synonyms for phrase

AO abbreviation

AO is an abbreviation for Arduous Occurrence
What does AO stand for?
AO stands for "Arduous Occurrence"

Occurrence replaced

Definitions for Occurrence


  • (noun) something that happens
  • (noun) an instance of something occurring
  • (noun) an event that happens