Tough mineral Synonyms

Definitions for Tough


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

Definitions for Mineral


  • (noun) solid homogeneous inorganic substances occurring in nature having a definite chemical composition
  • (adjective) relating to minerals
  • (adjective) composed of matter other than plant or animal