adrift, afloat, agitable, airy, alternating, amorphous, birdbrained, birdwitted, bouncy, brittle, bubbly, buoyant, capricious, changeable, changeful, charged, coquettish, corruptible, deciduous, desultory, deviable, dizzy, downy, dying, eccentric, edgy, effervescent, ephemeral, erratic, eruptive, ethereal, evanescent, evaporable, evaporative, expansive, explosive, faddish, fading, fast and loose, featherbrained, feathery, fickle, fitful, fleeting, flickering, flighty, flippant, flirtatious, flitting, fluctuating, fluffy, fly-by-night, flying, foamy, fragile, frail, freakish, frivolous, frothy, fugacious, fugitive, giddy, gossamery, hair-trigger, impermanent, impetuous, imponderous, impulsive, inconsistent, inconstant, indecisive, infirm, insubstantial, irregular, irresolute, irresponsible, leger, light, light as air, light-minded, lighter than vanity, lubricious, mazy, mercurial, momentary, moody, mortal, mousse, mutable, nondurable, nonpermanent, passing, perishable, protean, quicksilver, rambling, resilient, restless, roving, scatterbrained, sensitive, shallow, shallow-headed, shallow-minded, shallow-pated, shallow-witted, shapeless, shifting, shifty, short-lived, shuffling, skittery, skittish, souffle, spasmodic, spineless, startlish, superficial, temperamental, temporal, temporary, tense, ticklish, toying, transient, transitive, transitory, unaccountable, uncertain, uncontrolled, undependable, undisciplined, undurable, unenduring, unfixed, unheavy, unpredictable, unprofound, unreliable, unrestrained, unsettled, unstable, unstable as water, unstaid, unsteadfast, unsteady, vacillating, vagrant, vaporable, vaporescent, vaporizable, vaporizing, variable, versatile, vicissitudinary, vicissitudinous, volatilizable, wandering, wanton, wavering, wavery, wavy, wayward, weightless, whimsical, wishy-washy, yeasty
irresolution, infirmity of purpose, indecision, indetermination, undetermination, unsettlement, uncertainty, demur, suspense, hesitating, hesitation, hesitancy, vacillation, changeableness, fluctuation, alternation, caprice, fickleness, levity, legerete, pliancy, weakness, timidity, cowardice, half measures, waverer, ass between two bundles of hay, shuttlecock, butterfly, wimp, doughface, irresolute, infirm of purpose, double-minded, half-hearted, undecided, unresolved, undetermined, shilly-shally, fidgety, tremulous, hesitating, off one's balance, at a loss, vacillating, unsteady, unsteadfast, fickle, without ballast, capricious, volatile, frothy, light, lightsome, light-minded, giddy, fast and loose, weak, feeble-minded, frail, timid, wimpish, wimpy, cowardly, dough-faced, facile, pliant, unable to say 'no', easy-going revocable, reversible, irresolutely, irresolved, irresolvedly, in faltering accents, off and on, from pillar to post, seesaw, Int, how happy could I be with either!.
caprice, fancy, humor, whim, whimsy, whimsey, whimwham, crotchet, capriccio, quirk, freak, maggot, fad, vagary, prank, fit, flimflam, escapade, boutade, wild-goose chase, capriciousness, kink, capricious, erratic, eccentric, fitful, hysterical, full of whims, maggoty, inconsistent, fanciful, fantastic, whimsical, crotchety, kinky, particular, humorsome, freakish, skittish, wanton, wayward, contrary, captious, arbitrary, unconformable, penny wise and pound foolish, fickle, frivolous, sleeveless, giddy, volatile, by fits and starts, without rhyme or reason, nil fuit unquain sic inipar sibi, the deuce is in him.
excitability, impetuosity, vehemence, boisterousness, turbulence, impatience, intolerance, nonendurance, irritability, itching, wincing, disquiet, disquietude, restlessness, fidgets, fidgetiness, agitation, trepidation, perturbation, ruffle, hurry, fuss, flurry, fluster, flutter, pother, stew, ferment, whirl, buck fever, hurry-skurry, thrill, state of excitement, fever of excitement, transport, passion, excitement, flush, heat, fever, heat, fire, flame, fume, blood boiling, tumult, effervescence, ebullition, boiling over, whiff, gust, story, tempest, scene, breaking out, burst, fit, paroxysm, explosion, outbreak, outburst, agony, violence, fierceness, rage, fury, furor, furore, desperation, madness, distraction, raving, delirium, phrensy, frenzy, hysterics, intoxication, tearing passion, raging passion, anger, fascination, infatuation, fanaticism, Quixotism, Quixotry, tete montee, excitable, easily excited, in an excitable state, high-strung, irritable, impatient, intolerant, feverish, febrile, hysterical, delirious, mad, moody, maggoty- headed, unquiet, mercurial, electric, galvanic, hasty, hurried, restless, fidgety, fussy, chafing, startlish, mettlesome, high-mettled, skittish, vehement, demonstrative, violent, wild, furious, fierce, fiery, hot-headed, madcap, overzealous, enthusiastic, impassioned, fanatical, rabid, rampant, clamorous, uproarious, turbulent, tempestuous, tumultuary, boisterous, impulsive, impetuous, passionate, uncontrolled, uncontrollable, ungovernable, irrepressible, stanchless, inextinguishable, burning, simmering, volcanic, ready to burst forth, volatile, excited, exciting, Int, pish!, pshaw!, noli me tangere, filled with fury, rapt, inspir'd, maggiore fretta minore atto.
levity, lightness, imponderability, buoyancy, volatility, feather, dust, mote, down, thistle, down, flue, cobweb, gossamer, straw, cork, bubble, balloon, float, buoy, ether, air, leaven, ferment, barm, yeast, lighter-than-air balloon, helium balloon, hydrogen balloon, hot air balloon, convection, thermal draft, thermal, light, subtile, airy, imponderous, imponderable, astatic, weightless, ethereal, sublimated, gossamery, suberose, suberous, uncompressed, volatile, buoyant, floating, portable, light as a feather, light as a thistle, light as air, lighter than air, rise like a balloon, float like a balloon.
gaseity, vaporousness, flatulence, flatulency, volatility, aeration, aerification, elastic fluid, gas, air, vapor, ether, steam, essence, fume, reek, effluvium, flatus, cloud, ammonia, ammoniacal gas, volatile alkali, vacuum, partial vacuum, pneumatics, pneumatostatics, aerostatics, aerodynamics, gasmeter, gasometer, air bladder, swimming bladder, sound, (of a fish), gaseous, aeriform, ethereal, aerial, airy, vaporous, volatile, evaporable, flatulent.
vaporization, volatilization, gasification, evaporation, vaporation, distillation, cupellation, cohobation, sublimination, exhalation, volatility, vaporizer, still, retort, fumigation, steaming, bay salt, chloride of sodium, mister, spray, bubble, effervescence, ', volatilized, reeking, volatile, evaporable, vaporizable, bubbly, effervescent, boiling, Specific Fluids.