Tough shell Synonyms

Definitions for Tough


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

Definitions for Shell


  • (noun) something that encloses another thing especially to protect it
  • (noun) the arrangement of parts that gives something its basic form
  • (noun) an outer part or layer