"muffle" in the noun sense

1. muffle

a kiln with an inner chamber for firing things at a low temperature

"muffle" in the verb sense

1. smother, stifle, strangle, muffle, repress

suppress in order to conceal or hide

"smother a yawn"

"muffle one's anger"

"strangle a laugh"

"repress a cry of fear"

2. muffle, mute, dull, damp, dampen, tone down

deaden (a sound or noise), especially by wrapping

Source: WordNet® (An amazing lexical database of English)

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