Liability to be crushed or to decay, either in a material or immaterial sense; perishableness, weakness; an instance of this; †also, a frail feature…

Action or behaviour characterized by foolishness, stupidity, or irrationality; an instance of this. Now usually: action or behaviour exhibiting an…

Lack of intellectual capacity; mental poverty, slowness, dullness.

Impairment of the intellect; mental confusion. Cf. dotery, n.

foolishness, stupidity, silliness.

Lack of intellectual equipment.

Of immaterial things: Want of firmness and vigour; limpness, flabbiness.

In immaterial things: Want of vigour, feebleness, laxness, slackness.

Mental confusion; craziness, eccentricity.

Weakness of intellect.

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