Tough oni Synonyms

Definitions for Tough


  • (adjective) not easily chewed
  • (adjective) able to withstand hardship, strain, or exposure
  • (adjective) difficult to endure

TO abbreviation

TO is an abbreviation for Tough Oni
What does TO stand for?
TO stands for "Tough Oni"

Definitions for Oni


  • (noun) the military intelligence agency that provides for the intelligence and counterintelligence and investigative and security requirements of the United States Navy