Certain duo Synonyms

Definitions for Certain


  • (adjective) known but not named
  • (adjective) having or showing a mind free from doubt
  • (adjective) having been established and usually not subject to change

Definitions for Duo


  • (noun) two things of the same or similar kind that match or are considered together
  • (noun) two items of the same kind
  • (noun) a pair who associate with one another