Merriam-Webster Online Dictionary
happy (adjective)1.
favored by luck or fortune - fortunate a happy coincidence
2.
notably fitting, effective, or well adapted - felicitous a happy choice
3.
a) enjoying or characterized by well-being and contentment - is the happiest person I know a happy childhood
b) expressing, reflecting, or suggestive of - happiness a happy ending
c) - glad pleased I'm happy to meet you
d) having or marked by an atmosphere of good fellowship - friendly a happy office
4.
a) characterized by a dazed irresponsible state - a punch-happy boxer
b) impulsively or obsessively quick to use or do something - trigger-happy
c) enthusiastic about something to the point of obsession - obsessed education-conscious and statistic-happy Helen Rowen lucky, fit
Merriam-Webster Online Thesaurus
happy (adjective)1.
coming or happening by good luck especially unexpectedly
SYNONIMS:
fluky ( flukey), fortuitous, happy, heaven-sent, lucky, providentialRELATED WORDS:
convenient, opportune, seasonable, timely; unexpected, unforeseen, unlooked-for; accidental, chance, coincidental, serendipitous; auspicious, bright, encouraging, fair, heartening, hopeful, promising, propitious; benign, favorable, golden, good, halcyon; advantageous, beneficial, profitableNEAR ANTONYMS:
inconvenient, inopportune, unseasonable, untimely; anticipated, expected, foreseen; deliberate, intentional, planned; inauspicious, unpromising; calamitous, catastrophic, disastrous2.
experiencing pleasure, satisfaction, or delight
SYNONIMS:
blissful, chuffed, delighted, gratified, happy, joyful, joyous, pleased, satisfied, thankful, tickledRELATED WORDS:
beaming, blithe, blithesome, buoyant, cheerful, cheery, gay, gladsome, lighthearted, sunny, upbeat; gleeful, jocund, jolly, jovial, laughing, merry, mirthful, smiling; beatific, ecstatic, elated, enraptured, entranced, euphoric, exhilarated, intoxicated, rapturous, rhapsodic ( rhapsodical); exuberant, exultant, jubilant, rapt, rejoicing, thrilled; hopeful, optimistic, rosy, sanguineNEAR ANTONYMS:
abject, aggrieved, anguished, blue, brokenhearted, dejected, depressed, despondent, disconsolate, disheartened, downcast, downhearted, forlorn, melancholy; doleful, dolorous, lachrymose, mournful, plaintive, sorrowful, sorry, woeful; black, dark, desolate, dispirited, gloomy, glum, gray ( grey), grieved, heartbroken, heartsick, miserable, woebegone, wretched3.
feeling that one's needs or desires have been met
SYNONIMS:
contented, gratified, happy, pleased, satisfiedRELATED WORDS:
blissful, delighted, glad, joyful, joyous, jubilant, rejoicing, tickled; ecstatic, elated, enraptured, euphoric, overjoyed, rapturous, thrilled; appeased, mollified, pacified, placatedNEAR ANTONYMS:
disaffected, disgruntled, displeased, unsatisfied; abject, aggrieved, anguished, brokenhearted, dejected, depressed, despondent, disconsolate, discouraged, disheartened, dispirited, downcast, downhearted4.
having good luck
SYNONIMS:
fortunate, happyRELATED WORDS:
blessed ( blest), favored, gifted, privileged; fair, golden, promising; hotNEAR ANTONYMS:
cursed ( curst), disadvantaged5.
meeting the requirements of a purpose or situation
SYNONIMS:
applicable, appropriate, apt, becoming, befitting, felicitous, fitted, fitting, good, happy, meet, pretty, proper, right, suitableRELATED WORDS:
condign, deserved, just, justified; needed, required, requisite; able, capable, competent, cut out, qualified, trained; pitch-perfect; acceptable, adequate, decent, kosher, satisfactory, serviceable, tolerable; correct, decorous, respectable, seemly; balanced, companionate, congruous, consonant, harmonious; rightfulNEAR ANTONYMS:
incapable, incompetent, inept, inexpert, unqualified, unskilled, unskillful, untrained; inadequate, intolerable, unacceptable, unsatisfactory; graceless, incorrect, indecorous; incompatible, uncongenial6.
having extreme or relentless concern
SYNONIMS:
happy, obsessed, queerRELATED WORDS:
absorbed, anxious, concerned, distracted, engaged, engrossed, full, involved, knee-deep, occupied, preoccupied, prepossessed, worried; ardent, crazy, dotty, fervent, fervid, feverish, foolish, impassioned, nuts, passionate, sillyNEAR ANTONYMS:
apathetic, casual, cool, detached, disinterested, dispassionate, incurious, indifferent, insouciant, nonchalant, unconcerned, uncurious, unenthusiastic, uninterested, uninvolved