Silent duo Synonyms

Silent replaced

Definitions for Silent


  • (adjective) deliberately refraining from speech
  • (adjective) tending not to speak frequently (as by habit or inclination)
  • (adjective) mostly or entirely without sound

Synonyms for phrase

SD abbreviation

SD is an abbreviation for Silent Duo
What does SD stand for?
SD stands for "Silent Duo"

Duo replaced

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