Heavy-duty lock Synonyms

Definitions for Heavy-duty


  • (adjective) extreme in degree, power, or effect
  • (adjective) having great power or influence
  • (adjective) designed for heavy work

Definitions for Lock


  • (noun) one that is certain to succeed
  • (noun) a fastener fitted to a door or drawer to keep it firmly closed
  • (verb) fasten with a lock