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happy

happy /ˈhæpi/ adjective
happier; happiest
happy
/ˈhæpi/
adjective
happier; happiest
Britannica Dictionary definition of HAPPY
: feeling pleasure and enjoyment because of your life, situation, etc.
: showing or causing feelings of pleasure and enjoyment
not used before a noun : pleased or glad about a particular situation, event, etc.
: very willing to do something usually followed by to + verb
used as part of a greeting or wish for someone on a special holiday or occasion
always used before a noun : lucky or fortunate
always used before a noun : fitting or suitable

(as) happy as a clam

see 1clam

happy medium

see 1medium

happy returns

see 2return
see also trigger-happy