Subtle drone Synonyms

Subtle replaced

Definitions for Subtle

(adjective) clever at attaining one's ends by indirect and often deceptive means
(adjective) made or done with extreme care and accuracy
(adjective) satisfying or pleasing because of fineness or mildness

Synonyms for phrase

faint vibration

sharp vibration

SD abbreviation

SD is an abbreviation for Subtle Drone

What does SD stand for?

SD stands for "Subtle Drone"

Drone replaced

Definitions for Drone

(noun) a lazy person
(noun) a person who does very hard or dull work
(noun) a monotonous sound like that of an insect in motion