Difference between Stupid and Witless

STUPID vs WITLESS: NOUN

Resulting from, or evincing, stupidity; formed without skill or genius; dull; heavy; -- said of things.
Used to express disparagement or exasperation.
Dazed, stunned, or stupefied.
Marked by a lack of intelligence or care; foolish or careless.
Tending to make poor decisions or careless mistakes.
Slow to learn or understand; obtuse.
Lacking or marked by lack of intellectual acuity
Very dull; insensible; senseless; wanting in understanding; heavy; sluggish; in a state of stupor; -- said of persons.
Lacking intelligence
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.
Without much intelligence
Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.

Destitute of wit or understanding; wanting thought; hence, indiscreet; not under the guidance of judgment.
Lacking intelligence or wit; foolish.
(of especially persons) lacking sense or understanding or judgment

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

(used as complement) to the utmost degree
Proceeding from thoughtlessness or folly; not under the guidance of judgment; foolish; indiscreet; senseless; silly.
Not knowing; unconscious.
Destitute of wit or understanding; thoughtless; unreflecting; stupid.

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

Cretinous, Mindless, Fatuous, Unfunny, Brainless, Moronic, Foolish, Dumb, Idiotic, Silly, Inane, Soft witted, Nitwitted, Senseless, Stupid

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

Cretinous, Mindless, Fatuous, Unfunny, Brainless, Moronic, Foolish, Dumb, Idiotic, Silly, Inane, Soft witted, Nitwitted, Senseless, Stupid

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.

First, we drop by the Schaus' home in Witless Bay, past a street sign that says: "Slow down.
His gruff demeanor and witless problem solving led him to make a lot of very stupid decisions.
She resists, and is found witless and brought home sick.
Arcterial is a blowhard, witless as he is headstrong.
Mr. Speaker, the Witless Bay Line, Route 13, is a significant piece of transportation infrastructure.
Just before bungee jumping, parachuting or anything else that scares you witless.
Sandler and company must assume their audience is too witless to realize.
Great Island is part of the Witless Bay Ecological Reserve.
Who among us has proved the witless one this day.
Only if the new version editors are really witless!