Apparently: capricious; impulsive; erratic.

Not under, or not submitting to, control or restraint; taking, or disposed to take, one's own way… Resisting control or restraint, unruly…

Giddy, foolish; fickle, inconstant. (In later literary use reintroduced from modern French.) Also in combination volage-brained.

= gerish, adj.

Changeable, fitful, capricious.

Of disposition, etc.: Characterized by levity, frivolity, or excessive liveliness.

Changeful, fitful; wild, wayward.

Of persons and their faculties: Inconstant, variable, wavering; fickle, flighty; hasty, rash.

Liable to change; esp. (of a person's mind) rapidly changing from one thought or interest to another; easily distracted; flighty, changeable…

= volage, adj.

Senseless, foolish. In later use: Thoughtless, flighty, giddy (said esp. of women).

Full of fancies, capricious.

Lively, flighty, wanton.

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…

= fantastic, adj. 4.

Conforming to no fixed rule or principle of conduct; capricious, unaccountable; erratic, unpredictable; uncontrollable.

Capricious, frivolous, giddy; pleasure-seeking. Obsolete.

Perverse, refractory; headstrong, obstinate; capricious, skittish; (also) coy. Obsolete.

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

= humorous, adj. 3. Obsolete.

Of the mind, etc.: Not subjected to restraint or control; unrestrained, unregulated.

having odd ideas in the head; capricious, whimsical; cf. sense 5.

Characterized by crotchets or fopperies.

Of a person, action, etc.: subject to or influenced by mood or humour; capricious, whimsical; odd. Also (figurative) of a thing. Now archaic and rare.

Full of choice. Making many choices, fickle in choosing.

Of behaviour, actions, etc.: contrary to what is reasonable or expected; irrational, strange; absurd. Also of a person: that acts or behaves in…

Full of or given to tricks or pranks; playful, sportive; mischievous, capricious, whimsical.

flighty, hare-brained.

Full of, subject to, or characterized by caprice; guided by whim or fancy rather than by judgement or settled purpose; whimsical, humoursome.

Subject to moods or humours; whimsical, capricious; peevish, ill-humoured. Cf. humorous, adj. 3. Now archaic.

figurative. Wandering; erratic; itinerant. Now rare.

figurative. Giddy-minded; unstable or unsettled in opinions, etc.; inconstant; apt to change quickly; marked by inconstancy, instability, or rapid…

Filled with whims; made whimsical.

Made giddy or unsteady.

Whimsical.

Given to or characterized by playfulness; light-hearted, frivolous; (also) †foolish, nonsensical (obsolete). Also: affording amusement or…

Of a person's mind: stupid, muddled, crazy; guided by whim, capricious. Frequently (and in earliest use) as part of a contemptuous name or term for…

Of a person: having a lively, volatile, or restless nature; liable to sudden and unpredictable changes of mind or mood; quick-witted, imaginative…

Wanting in self-restraint, flighty. Obsolete.

Full of whims and foolish fancies; freakish.

Fantastic, whimsical, erratic.

Full of freaks, characterized by freaks, capricious, whimsical.

Whimsical, moody, mercurial; = humorous, adj. 3a. Now rare.

figurative. Given to wandering, erratic; volatile. Cf. planetary, adj. 2. Obsolete.

Of persons, their actions, thoughts, etc.: Full of, subject to, or characterized by a whim or whims; actuated by or depending upon whim or caprice.

Addicted to freaks, freakish.

(a) Frolicsome, romping, giddy, flighty. (b) Assuming, haughty, petulant, huffy.

Strange, peculiar, or eccentric; whimsical.

Fanciful, fantastic; curious. rare.

= crotchety, adj.

Of an action, attribute, idea, etc.: characteristic of or appropriate to Don Quixote; demonstrating or motivated by exaggerated notions of…

Readily changing from one interest or mood to another; changeable, fickle; marked or characterized by levity or flightiness. Of persons.

see quot. 1734.

whimsical, fantastic, crotchety; also, of the nature of a conundrum (sense 4).

Given to flights of imagination, humour, caprice, etc.; guided by whim or fancy rather than by judgement or settled purpose; fickle, frivolous…

Of persons: Flighty, extravagant, volatile.

Wanting moral stability, giddy.

Of the nature of a whim; full of whims; whimsical, capricious.

dialect. Of a horse: Skittish, unmanageable; high-mettled. Hence (?) of persons (see quot. 1855).

whimsical, capricious.

Characterized by quirks or quibbles; given to quibbling; tricky, wily, cunning. Cf. quirk, n.1 1a. Scottish in later use.

Scottish and (now rare) U.S. (chiefly northern). Fanciful; full of fancies, whims, or caprices. Also in extended use.

Playful, sportive, frolicsome.

Somewhat vagarious or whimsical.

freakish, capricious.

Of persons and personal attributes: Occupied with fads, particular about trifles, crotchety. Of things: Of the nature of a fad, taken up as a fad.

Characterized by changeable moods; capricious; moody.

Whimsical, foolishly fanciful. Cf. maggoty, adj. 1a. Now British regional.

Irregular or eccentric in conduct, habit, or opinion.

Characterized by sudden, explosive movement. Chiefly figurative: mercurial, volatile; flighty, unreliable.

Eccentric, idiosyncratic; erratic, random; = quirky, adj. 2.

Given to crotchets; full of crotchets (crotchet, n.1 9a).

= freakful adj.

Of persons: Addicted or given to fads, whimsical.

Eccentric, erratic.

Full of fancies or caprices; whimsical.

Vagarious, capricious.

liable to fluctuate in mood, health, etc.

inclined to be tricksy or to play tricks.

= freakish, adj.

belonging or devoted to a ‘hobby-horse’ or hobby, crotchety, whimsical.

Characterized by quirks; quirky.

Of a person: liable to peculiar moods, having or giving way to an erratic or neurotic temperament. Hence, of a thing: behaving erratically or…

figurative. Marked by alternations of success, etc.; changeful, variable. Also, of a person: subject to alternating or changing moods.

colloquial. Of a person: lacking composure, common sense, or level-headedness; disorganized. Also of behaviour, a situation, etc.: not under…

Characterized by the possession of fancy (rare).

Of persons, their actions and attributes. Having a lively imagination; imaginative (obs.).