Silent flier Synonyms

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

SF abbreviation

SF is an abbreviation for Silent Flier
What does SF stand for?
SF stands for "Silent Flier"

Definitions for Flier


  • (noun) a risky undertaking
  • (noun) one who flies or is qualified to fly an aircraft or spacecraft
  • (noun) an advertisement (usually printed on a page or in a leaflet) intended for wide distribution