Difficult lock Synonyms

Definitions for Difficult


  • (adjective) requiring considerable physical or mental effort
  • (adjective) requiring exceptional skill or caution in performance or handling
  • (adjective) not easy ; requiring great physical or mental effort to accomplish or comprehend or endure

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