Tough exoskeleton Synonyms

Definitions for Tough


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

Definitions for Exoskeleton


  • (noun) the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs