muffle up

muffle something up

to deaden or stifle a sound. Betty tried to muffle the sounds up, but everyone heard what was going on. She muffled up the sounds.

Name	Pronounced	Usage
Jabin	JAY-bin (English)	Biblical
Lillian	['liliən]
Rena	-	English
Applegath	['æplgæθ]
Tzofiya	-	Hebrew
Nawra	-	Arabic