Nuclear fail-safe Synonyms

Definitions for Nuclear


  • (adjective) constituting or like a nucleus
  • (adjective) of or relating to or constituting the nucleus of a cell
  • (adjective) of or relating to or constituting the nucleus of an atom

Definitions for Fail-safe


  • (adjective) not likely to fail
  • (noun) a measure taken to preclude loss or injury
  • (adjective) eliminating danger by compensating automatically for a failure or malfunction