The quality or condition of being slow-witted; dullness or obtuseness of mind, intellect, etc.; stupidity. Cf. hard, adj. 4. Now rare.

Foolishness, stupidity. Obsolete.

Foolishness, folly.

senselessness, folly, stupidity.

Folly, foolishness, stupidity; a foolish act.

Slowness or obtuseness of intellect; stupidity.

Dullness of wit, stupidity. Obsolete.

The quality of being slow in learning, thinking, or understanding; lack of mental acuity; dullness, dimness. Cf. slow, adj. 2.

Want of instruction and enlightenment; dullness, stupidity.

The state, quality or fact of being stupid or foolish; lack or absence of intelligence, perceptiveness, or common sense. Also: stupid or foolish…

Asinine quality or character; foolishness, stupidity.

Inertness of understanding, stupidity, dullness.

Stupidity.

Inertness or dullness of wit; stupidity. Obsolete.

The quality of being blockish; gross stupidity or dullness.

The quality of being doltish; stupidity.

Foolishness, folly, stupidity.

†Simplicity, stupidity; †timorousness; excessive bashfulness or diffidence.

the condition of a dolt.

Foolishness, folly, stupidity. Obsolete.

= doltry n.

stupidity.

The state of being in shadow; darkness, dimness, obscurity; an instance of this. Also figurative.

Behaviour, actions, or qualities characteristic of a person who is stupid or slow to learn or understand; stupidity, idiocy. Cf. dunce, n. 3.

Adherence to Scotist or scholastic teachings and methods.

The fact or quality of being stupid (in various senses); an instance of this; = stupidity, n.

The condition or state of being blunt or dull; dullness, bluntness, obtuseness, lethargy.

The quality of being ‘insulse’; stupidity, senselessness.

(un-, prefix1 affix 6; cf. unintelligent, adj.)

Slowness of understanding, stupidity; insensitivity. Also (more generally): the quality of being obtuse.

stupidity; a stupid act, remark, etc.

Dullness; stupidity; unenlivened condition.

Absence or lack of intelligence.

The quality of being crass; (physical) density (obsolete); coarseness, grossness; gross dullness or stupidity.

The characteristic action, conduct, or condition of a blockhead; stupidity.

= numbskullism n.

the state or fact of being a nincompoop.

the state or quality of being a dunce; stupidity, idiocy.

stupidity.

Foolishness; a foolish person.

Obtuseness.

lack of intelligence or common sense; foolishness.

Foolishness, stupidity; an instance of this. Now rare.

The state or condition of being a dunce; esp. stupidity, idiocy.

foolishness, stupidity.

Asinine quality; stupidity.

Behaviour typical of a dunderhead; foolishness, stupidity.

stupidity.

Ideas or thinking characteristic of a person who is stupid; stupidity, idiocy. Obsolete. rare.

The state or condition of being stupid, ignorant, or uneducated; (also) stupid, ignorant, or uneducated people collectively.

Lack or deficiency of intelligence. Obsolete. rare.

Foolishness, stupidity; the action, speech, or behaviour of a nincompoop.

The quality of being a dummy. rare.

the fact of being a ninny.

the quality of being, or an act characteristic of, a ‘donkey’; folly.

Stupidity; ignorance (cf. dumb, adj. 7b). U.S. colloquial.

The state or quality of being crass. Gross ignorance or stupidity, excessive dullness of intellect, obtuseness, ‘density’; an instance of this.

the condition of being a donkey; donkeys collectively.

the quality or condition of being slow-witted; dullness, stupidity.

slow-wittedness.

Chiefly in sense 2.

condition of a donkey, stupidity, folly.

obtuseness, crassness.

figurative. Stupidity, crassitude.

The state or condition of being a moron (moron, n.2 2); stupidity, ignorance, imbecility; (also) an instance of this.

= nitwittery, n.

Imbecility, stupidity; foolishness.

Foolishness, stupidity.

gen.

= nincompoopery, n.

the quality of being dim-witted.

stupidity.