insouciance n : the cheerful feeling you have when nothing is troubling you [syn: carefreeness, lightheartedness, lightsomeness]

English

Etymology

from in- 'not' + souciant 'worrying'.

Noun

1. careless, heedless, indifferent, or casual unconcern
2. nonchalance

abandon, accidia, acedia, aloofness, apathy, ataraxia, ataraxy, benumbedness, blah, blahs, boredom, careless abandon, carelessness, casualness, comatoseness, cursoriness, detachment, disinterest, disinterestedness, dispassion, disregard, disregardfulness, dullness, easiness, easygoingness, forgetfulness, hastiness, heartlessness, hebetude, heedlessness, hopelessness, impassiveness, impassivity, inappetence, inattention, inconsiderateness, inconsideration, incuriosity, incuriousness, indifference, indifferentism, indifferentness, indiscrimination, inexcitability, intellectual inertia, lack of affect, lack of appetite, lack of foresight, lack of interest, lackadaisicalness, languidness, lassitude, laziness, lethargicalness, lethargy, listlessness, mindlessness, negligence, nonchalance, numbness, oblivion, offhandedness, passiveness, passivity, perfunctoriness, phlegm, phlegmaticalness, phlegmaticness, plucklessness, pococurantism, recklessness, regardlessness, resignation, resignedness, sloth, sluggishness, sopor, soporifousness, spiritlessness, sprezzatura, spunklessness, stolidity, stupefaction, stupor, supineness, tactlessness, thoughtlessness, torpidity, torpidness, torpor, unanxiousness, unconcern, unheedfulness, uninquisitiveness, uninterestedness, unmindfulness, unpreparedness, unreadiness, unsolicitousness, unsolicitude, unthinkingness, withdrawal, withdrawnness