/ juːˈfɔːriə; NAmE / noun
[ U ] an extremely strong feeling of happiness and excitement that usually lasts only a short time
► eu·phor·ic / juːˈfɒrɪk; NAmE -ˈfɔːr-; -ˈfɑːr-/ adjective :
My euphoric mood could not last.
➡ note at excited
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WORD ORIGIN
late 17th cent. (denoting well-being produced in a sick person by the use of drugs): modern Latin , from Greek , from euphoros borne well, healthy, from eu well + pherein to bear.