buoyant

• POS: Adjective
• HYPHEN: buoy=ant

CIDE DICTIONARY

buoyant, a. [From Buoy, v. t. & i.].

•  Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury.  Pope.  [1913 Webster]
•  Bearing up, as a fluid; sustaining another body by being specifically heavier.  [1913 Webster]

  "The water under me was buoyant."  [1913 Webster]
•  Light-hearted; vivacious; cheerful; as, a buoyant disposition; buoyant spirits.  [1913 Webster]

OXFORD DICTIONARY

buoyant, adj.
1 a able or apt to keep afloat or rise to the top of a liquid or gas. b (of a liquid or gas) able to keep something afloat.
2 light-hearted.

Derivative

buoyantly adv.

Etymology

F buoyant or Sp. boyante part. of boyar float f. boya BUOY

THESAURUS

buoyant

adaptable, adaptive, afloat, airy, animated, blithe, bouncy, breezy, bright, carefree, cheerful, convalescent, corky, debonair, ebullient, effervescent, elastic, expansive, extensile, flexible, flexile, floatable, floating, floaty, free and easy, jaunty, light, light-hearted, lighthearted, lightsome, lively, peppy, perky, recuperative, recuperatory, resilient, responsive, reviviscent, springy, stretch, stretchable, stretchy, supernatant, vivacious, volatile

ROGET THESAURUS

buoyant

Prosperity

N prosperity, welfare, well-being, affluence, success, thrift, roaring trade, good fortune, smiles of fortune, blessings, godsend, luck, good luck, run of luck, sunshine, fair weather, fair wind, palmy days, bright days, halcyon days, piping times, tide, flood, high tide, Saturnia regna, Saturnian age, golden time, golden age, bed of roses, fat city, fat of the land, milk and honey, loaves and fishes, made man, lucky dog, enfant gate, spoiled child of fortune, upstart, parvenu, skipjack, mushroom, prosperous, thriving, in a fair way, buoyant, well off, well to do, well to do in the world, set up, at one's ease, rich, in good case, in full, in high feather, fortunate, lucky, in luck, born with a silver spoon in one's mouth, born under a lucky star, on the sunny side of the hedge, auspicious, propitious, providential, palmy, halcyon, agreeable, couleur de rose, prosperously, swimmingly, as good luck would have it, beyond all hope, one's star in the ascendant, all for the best, one's course runs smooth, chacun est l'artisan de sa fortune, donec eris felix multos numerabis amicos, felicitas multos habet amicos, felix se nescit amari, good luck go with thee, nulli est homini perpetuum bonum.

Cheerfulness

N cheerfulness, geniality, gayety, l'allegro, cheer, good humor, spirits, high spirits, animal spirits, flow of spirits, glee, high glee, light heart, sunshine of the mind, sunshine of the breast, gaiete de coeur, bon naturel, liveliness, life, alacrity, vivacity, animation, allegresse, jocundity, joviality, jollity, levity, jocularity, mirth, merriment, hilarity, exhilaration, laughter, merrymaking, heyday, rejoicing, marriage bell, nepenthe, Euphrosyne, sweet forgetfulness, optimism, self complacency, hedonics, hedonism, cheerful, happy, cheery, cheerly, of good cheer, smiling, blithe, in spirits, in good spirits, breezy, bully, chipper, in high spirits, in high feather, happy as the day is long, happy as a king, gay as a lark, allegro, debonair, light, lightsome, light hearted, buoyant, debonnaire, bright, free and easy, airy, janty, jaunty, canty, hedonic, riant, sprightly, sprightful, spry, spirited, spiritful, lively, animated, vivacious, brisk as a bee, sparkling, sportive, full of play, full of spirit, all alive, sunny, palmy, hopeful, merry as a cricket, merry as a grig, merry as a marriage bell, joyful, joyous, jocund, jovial, jolly as a thrush, jolly as a sandboy, blithesome, gleeful, gleesome, hilarious, rattling, winsome, bonny, hearty, buxom, playful, playsome, folatre, playful as a kitten, tricksy, frisky, frolicsome, gamesome, jocose, jocular, waggish, mirth loving, laughter-loving, mirthful, rollicking, elate, elated, exulting, jubilant, flushed, rejoicing, cock-a-hoop, cheering, inspiriting, exhilarating, cardiac, cardiacal, pleasing, palmy, cheerfully, Int, never say die!, come!, cheer up!, hurrah!, hence loathed melancholy!, begone dull care!, away with melancholy!, a merry heart goes all the day, as merry as the day is long, ride si sapis.

Hope

N hope, hopes, desire, fervent hope, sanguine expectation, trust, confidence, reliance, faith, affiance, assurance, secureness, security, reassurance, good omen, good auspices, promise, well grounded hopes, good prospect, bright prospect, clear sky, assumption, presumption, anticipation, hopefulness, buoyancy, optimism, enthusiasm, heart of grace, aspiration, optimist, utopian, utopist, castles in the air, castles in Spain, chateaux en Espagne, le pot aut lait, Utopia, millennium, day dream, golden dream, dream of Alnaschar, airy hopes, fool's paradise, mirage, fond hope, beam of hope, ray of hope, gleam of hope, glimmer of hope, flash of hope, dawn of hope, star of hope, cheer, bit of blue sky, silver lining, silver lining of the cloud, bottom of Pandora's box, balm in Gilead, light at the end of the tunnel, anchor, sheet anchor, mainstay, staff, heaven, hoping, in hopes, hopeful, confident, secure, sanguine, in good heart, buoyed up, buoyant, elated, flushed, exultant, enthusiastic, heartsome, utopian, unsuspecting, unsuspicious, fearless, free from fear, free from suspicion, free from distrust, free from despair, exempt from fear, exempt from suspicion, exempt from distrust, exempt from despair, undespairing, self reliant, probable, on the high road to, within sight of shore, within sight of land, promising, propitious, of promise, full of promise, of good omen, auspicious, de bon augure, reassuring, encouraging, cheering, inspiriting, looking up, bright, roseate, couleur de rose, rose-colored, hopefully, Int, God speed!, nil desperandum, never say die, dum spiro spero, latet scintillula forsan, all is for the best, spero meliora, every cloud has a silver lining, the wish being father to the thought, hope told a flattering tale, rusticus expectat dum defluat amnis, at spes non fracta, ego spem prietio non emo, un Dieu est ma fiance, hope! thou nurse of young desire, in hoc signo spes mea, in hoc signo vinces, la speranza e il pan de miseri, l'esperance est le songe d'un homme eveille, the mighty hopes that make us men, the sickening pang of hope deferred.

Ascent

N ascent, ascension, rising, acclivity, hill, flight of steps, flight of stairs, ladder rocket, lark, sky rocket, sky lark, Alpine Club, rising, scandent, buoyant, supernatant, superfluitant, excelsior, uphill.

Levity

N 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.

Elasticity

N elasticity, springiness, spring, resilience, renitency, buoyancy, rubber, India rubber, Indian rubber, latex, caoutchouc, whalebone, gum elastic, baleen, natural rubber, neoprene, synthetic rubber, Buna- S, plastic, flexibility, Young's modulus, elastic, flexible, tensile, spring, resilient, renitent, buoyant, ductile, stretchable, extendable, the stress is proportional to the strain.