Difference between Dumb and Stupid

DUMB vs STUPID: NOUN

Not willing to speak; mute; silent; not speaking; not accompanied by words.
Lacking brightness or clearness, as a color.
See Deaf-mute.
A form of intermittent fever which has no well-defined “chill.”
Any animal except man; -- usually restricted to a domestic quadruped; -- so called in contradistinction to man, who is a “speaking animal.”
A cake made in silence by girls on St. Mark's eve, with certain mystic ceremonies, to discover their future husbands.
A west Indian plant of the Arum family (Dieffenbachia seguina), which, when chewed, causes the tongue to swell, and destroys temporarily the power of speech.
See under crambo.
To confound; to astonish; to render silent by astonishment; or, it may be, to deprive of the power of speech.
Unintentional; haphazard.
Conspicuously unintelligent; stupid.
Not self-propelling.
Not expressed or articulated in sounds or words.
Unwilling to speak; taciturn.
Temporarily speechless, as with shock or fear.
Incapable of using speech; mute. Used of humans.
Lacking the power of speech. Used of animals and inanimate objects.
Slow to learn or understand; lacking intellectual acuity
Unable to speak temporarily
Lacking the power of human speech
Signs and gestures without words; as, to tell a story in dumb show.
Unable to speak because of hereditary deafness
Unable to speak; lacking power of speech.
Extremely stupid.
Pointless, foolish, lacking intellectual content or value.
Temporarily incapable of speaking

In a state of mental numbness especially as resulting from shock
Damn, annoying, darn
Amazing.
Lacking sensation; inanimate; destitute of consciousness; insensate.
Characterized by or in a state of stupor; paralysed.
To the point of stupor.
Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.
Resulting from, or evincing, stupidity; formed without skill or genius; dull; heavy; -- said of things.
Very dull; insensible; senseless; wanting in understanding; heavy; sluggish; in a state of stupor; -- said of persons.
Lacking intelligence
Dazed, stunned, or stupefied.
Marked by a lack of intelligence or care; foolish or careless.
Tending to make poor decisions or careless mistakes.
Lacking or marked by lack of intellectual acuity
Without much intelligence
Used to express disparagement or exasperation.
Slow to learn or understand; obtuse.

Deficient in clearness or brightness, as a color.
Dull; stupid; doltish.
Hence Lacking some usual power, manifestation, characteristic, or accompaniment; destitute of reality in some respect; irregular; simulative: as, dumb ague; dumb craft. See phrases below.
Mute; not accompanied with or emitting speech or sound: as, a dumb show; dumb signs.
Destitute of the power of speech; unable to utter articulate sounds: as, a deaf and dumb person; the dumb brutes.
Mute; silent; refraining from speech.
Synonyms and Mute, etc. See silent.
To become dumb; be silent.
Lacking intellectual acuity
Slow to learn or understand
To make dumb; silence; overpower the sound of.

In a state of stupor; having the faculties deadened or dulled; stupefied, either permanently or temporarily; benumbed.
Lacking ordinary activity of mind; dull in ideas or expression; slow-witted; obtuse; crass.
Characterized by mental dullness or inanity; witless; senseless; foolish; inane: as, a stupid joke; a stupid book; stupid fears.
Synonyms Heavy, dull, drowsy, lethargic, comatose, torpid.
Muddy-brained, muddled.
Silly, Foolish, etc. (see absurd); flat, tame, humdrum, pointless, prosaic. See list under foolish.

Foolish, Idiotic, Dumbass, Silly, Unarticulate, Dense, Silent, Speechless, Dim, Slow, Dull, Mute, Inarticulate, Obtuse, Stupid

Senseless, Cloddish, Obtuse, Thickheaded, Imbecilic, Imbecile, Dolt, Fool, Boneheaded, Dopey, Brainless, Unintelligent, Moronic, Foolish, Dumb

Foolish, Idiotic, Dumbass, Silly, Unarticulate, Dense, Silent, Speechless, Dim, Slow, Dull, Mute, Inarticulate, Obtuse, Stupid

Senseless, Cloddish, Obtuse, Thickheaded, Imbecilic, Imbecile, Dolt, Fool, Boneheaded, Dopey, Brainless, Unintelligent, Moronic, Foolish, Dumb

You see a lot of smart guys with dumb women, but you hardly ever see a smart woman with a dumb guy.
So yes, this is being dumb for the sake of being dumb, but it had a lot of funny moments.
Dumb Luck: Occasionally, a halfling will be struck by a bout of absolutely dumb luck.
The characters are dumb guys, dumb girls, and a hell of a lot of bitchiness.
For all of the hundreds of dumb things that have ruined my photos, sometimes equally dumb luck comes and gives you a great shot.
Europeans whose dumb cry for peace I hear, for my ears are attended to hearing the dumb millions?
Oh, I once knew a poor person who was dumb, so all poor people must be dumb.
Well this is the dumb dumb that just wants to be noticed.
This dumb blonde aka Bengali babe is the living definition of dumb!
Dumb name, dumb dog, but teeth down to here.

This is just so utterly stupid it boggles my mind and you should be ashamed for saying such a stupid thing.
IWT was stupid, the name was stupid, and why should anyone listen to me?
Stupid stupid claims people who do not even research a claim and try to cover up their mistakes.
If Abbott is not stupid, why does he keep doing stupid things?
There are no stupid questions just stupid people.
Play stupid games, win stupid prizes I guess.
To be truly stupid, you cannot play stupid.
He made some fundamentally stupid people _look_ stupid.
Then I went and did a stupid, stupid thing.
My mama says that stupid is as stupid does.