Tough units Synonyms

Tough replaced

Definitions for Tough


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

Synonyms for phrase

TU abbreviation

TU is an abbreviation for Tough Units
What does TU stand for?
TU stands for "Tough Units"

Units replaced