Indefatigable oni Synonyms

We can't find synonyms for the phrase "Indefatigable oni", but we have synonyms for terms, you can combine them.

IO abbreviation

IO is an abbreviation for Indefatigable Oni
What does IO stand for?
IO stands for "Indefatigable Oni"

Definitions for Indefatigable


  • (adjective) showing no signs of weariness even after long hard effort
  • (adjective) showing sustained enthusiastic action with unflagging vitality

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