What does "dumbness" mean?

The state of being mute: that is, of not communicating vocally, whether from selective mutism (refusal to speak) or from an inability to speak.

What is a synonym for "dumbness"?

Common synonyms include: anaudia, aphasia, aphonia, asininity, blockishness, boobishness.

noun, slang

noun, slang ·Moderate ·High school level

Noun

1
The state of being mute: that is, of not communicating vocally, whether from selective mutism (refusal to speak) or from an inability to speak. dated, offensive, uncountable, usually
"He was a deaf-mute. His dumbness did not seem to matter when we were boys."
2
the quality of being mentally slow and limited wordnet
3
Muteness, silence; abstention from speech. dated, uncountable, usually
"There was speech in their dumbness."
4
Show or gesture without words; pantomime; dumb-show. dated, uncountable, usually
"To the dumbness of the gesture one might interpret."
5
The quality of being stupid or foolish. informal, uncountable, usually

"My culture does not equate sexuality with dumbness."

From Middle English dombenesse, from Old English dumbnes; equivalent to dumb + -ness. Cognate with Old Frisian dumbnisse (“folly, dumbness”).