Silent drones Synonyms

We can't find synonyms for the phrase "Silent drones", but we have synonyms for terms, you can combine them.

Silent Synonyms

Drones Synonyms

SD abbreviation

SD is an abbreviation for Silent Drones

What does SD stand for?

SD stands for "Silent Drones"

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