Soundproof door Synonyms

Soundproof replaced

impervious door

impenetrable door

Definitions for Soundproof

(adjective) impervious to, or not penetrable by, sound
(verb) insulate against noise

Synonyms for phrase

SD abbreviation

SD is an abbreviation for Soundproof Door

What does SD stand for?

SD stands for "Soundproof Door"

Definitions for Door

(noun) a barrier by which an entry is closed and opened
(noun) the opening through which one can enter or leave a structure
(noun) the means or right of entering or participating in