The difference between Dumb and Mute

When used as verbs, dumb means to silence, whereas mute means to silence, to make quiet.

When used as adjectives, dumb means unable to speak, whereas mute means not having the power of speech.

Mute is also noun with the meaning: a stopped consonant.

check bellow for the other definitions of Dumb and Mute

Dumb as an adjective (dated):

Unable to speak; lacking power of speech (kept in "deaf, dumb, and blind").

Examples:

"His younger brother was born dumb, and communicated with sign language."
Dumb as an adjective (dated):

Silent; unaccompanied by words.

Examples:

"dumb show"
Dumb as an adjective (informal, pejorative, especially of a person):

extremely stupid.

Examples:

"You are so dumb! You don't even know how to make toast!"
Dumb as an adjective (figuratively):

Pointless, foolish, lacking intellectual content or value.

Examples:

"This is dumb! We're driving in circles! We should have asked for directions an hour ago!"

"Brendan had the dumb job of moving boxes from one conveyor belt to another."
Dumb as an adjective:

Lacking brightness or clearness, as a colour.

Mute as an adjective:

Not having the power of speech; dumb.
Mute as an adjective:

Silent; not making a sound.
Mute as an adjective:

Not uttered; unpronounced; silent; also, produced by complete closure of the mouth organs which interrupt the passage of breath; said of certain letters.
Mute as an adjective:

Not giving a ringing sound when struck; said of a metal.

Mute as a noun (phonetics, now, _, historical):

A stopped consonant; a stop.

Examples:

"synonyms occlusive plosive stop"
Mute as a noun (obsolete, theatre):

An actor who does not speak; a mime performer.
Mute as a noun:

A person who does not have the power of speech.
Mute as a noun:

A hired mourner at a funeral; an undertaker's assistant.
Mute as a noun (music):

An object for dulling the sound of an instrument, especially a brass instrument, or damper for pianoforte; a sordine.

Mute as a verb (transitive):

To silence, to make quiet.
Mute as a verb (transitive):

To turn off the sound of.

Examples:

"Please mute the music while I make a call."

Mute as a verb (now, _, rare):

Of a bird: to defecate.

Examples:

"rfquotek Ben Jonson"

Mute as a noun:

The faeces of a hawk or falcon.

Examples:

"rfquotek Hudibras"