figurative. Poor or meagre in quantity or quality; slight, mean. Somewhat archaic. Of diet: Poor, innutritious. Of employment (colloquial)…

Of knowledge or understanding: not extensive; slight.

figurative. Weak, insubstantial. Also: imprecisely defined. Obsolete.

Lacking in solid or substantial qualities.

Slight, superficial, imperfect.

Unsubstantial, attenuated; brief, condensed; (of a voice, a sound) high-pitched, light, weak.

Not massy.

Void of substance; not of stout or solid substance; unsubstantial. Also figurative.

In physical sense: Destitute of strength or solidity; easily destroyed; slight, frail, unsubstantial.

figurative. Slender, of slight importance or significance; meagre, weak; flimsy, vague, unsubstantial.

Lacking in substance or solidity. Also in combinations.

figurative. Light, insubstantial; inflated, overblown (cf. gassy, adj. 2).

figurative. Exiguous, economical, stripped of unnecessary elaboration.

colloquial (originally U.S.). Designating a simplified or moderated version of something; (depreciative) lacking in substance; oversimplified…