Frivolous, trifling, fickle; to be slighted, contemptible. Obsolete.

Characterized by levity; lacking careful thought or consideration; frivolous; unthinking. Formerly also with †of.

Fickle, flighty, frivolous. Obsolete.

That flies about. Of a person's mind: Volatile, unsettled.

Foolish; frivolous; careless, thoughtless.

tickleor light of the sear (fig.): easily made to ‘go off’, readily yielding to any impulse (cf. quot. 1596 at sense a above). So †to go glib upon the…

Of persons, their attributes and actions: Mentally intoxicated, ‘elated to thoughtlessness’ (Johnson); incapable of or indisposed to serious thought…

Frivolous, injudicious, thoughtless; mercurial, fickle. Also occasionally as adv. (see quot. 1639).

? Seized with giddiness.

Giddy, fickle, foolish.

attributive and in other combinations, as fling period (sense 5); fling-brain n. Obsolete a person of flighty and hasty character. fling-brained adj.…

light-minded, easily influenced.

Lacking in seriousness of style; light-hearted; frivolous; intended for or affording amusement or entertainment. Obsolete.

figurative. Of persons and their attributes: Wanting in depth of mind, feeling, or character.

= light, adj.1 (in various senses).

figurative. Light, trifling, frivolous; buoyant, lively, springy; hence, skittish, ticklish, restive. colloquial.

figurative. Full of ferment, excitedly active, flighty.

depreciative. Like air in its (apparently) intangible or empty character. Of a person or a person's character, judgement, conduct, etc…

Unsound, weak, unreliable; unsteady, flighty. Obsolete.

= unballasted, adj.

figurative. Not steadied or kept in order by serious or solid qualities.

attributive as adj. Frivolous, trifling.

(un-, prefix1 affix 1.)

(un-, prefix1 affix 1.) Also absol.

Somewhat of the nature of or betokening a flirt.

of frivolous or unsteady mind.

= shatter-brained adj. (Cf. scatterheaded, adj.)

corky-brained, corky-headed adjs. (cf. sense 3, and cork, n.1).

unsettled, harebrained (Jamieson).

giddy, thoughtless, foolish, crazy.

crazy, light-witted; giddy, thoughtless. Cf. scatter-brained adj. at scatter-brain, n. derivatives.

= scatter-brained adj. at scatter-brain, n. derivatives.

= shatter-brained adj. at shatter-brain, n. derivatives (in dictionaries).

absol. passing into noun. A flippant person.

Objective, parasynthetic, and instrumental, as butterfly-brained, butterfly-catching, butterfly-hunting, etc.

that is a scatter-brain; characteristic of a scatter-brain.

Of things, both material and immaterial: Light and flimsy as gossamer. Of persons: Frivolous, volatile.

giddy, thoughtless.

Shatter-brained, giddy. dialect.

flighty.

figurative. Suggestive of a butterfly; showy; frivolous; capricious; erratic.

Of persons: Given to flirtation, inclined to flirt.

Of or pertaining to flirtation; characterized by or inclined to flirtation.

Resembling or reminiscent of Micawber; fecklessly optimistic. Cf. Micawber-like, adj. adv.

= scatter-brained adj.

flighty, frivolous, senseless.

attributive. Of or like thistledown (literal and figurative).

trivial-minded adj. (whence trivial-mindedness).

Scatter-brained. rare.

A light, frivolous woman, fond of running or ‘gadding’ about; = gig, n.1 Also attributive or as adj. = flighty.

Esp. of a woman: stupid, scatterbrained; ‘cute’.