happy

[ hap-ee ]
/ ˈhæp i /

adjective, hap·pi·er, hap·pi·est.

delighted, pleased, or glad, as over a particular thing: to be happy to see a person.
characterized by or indicative of pleasure, contentment, or joy: a happy mood; a happy frame of mind.
favored by fortune; fortunate or lucky: a happy, fruitful land.See Synonym Study at fortunate.
apt or felicitous, as actions, utterances, or ideas.
obsessed by or quick to use the item indicated (usually used in combination): a trigger-happy gangster. Everybody is gadget-happy these days.

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Origin of happy

Middle English word dating back to 1300–50; see origin at hap1, -y1

OTHER WORDS FROM happy

o·ver·hap·py, adjectivequasi-happy, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for happy (1 of 2)

happy
/ (ˈhæpɪ) /

adjective -pier or -piest

interjection

(in combination)happy birthday; happy Christmas
See also trigger-happy

Derived forms of happy

happily, adverbhappiness, noun

Word Origin for happy

C14: see hap 1, -y 1

British Dictionary definitions for happy (2 of 2)

-happy

adj combining form

denoting excessive enthusiasm for or devotion togun-happy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with happy

happy

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.