|efə(r)|ves intransitive verb
( -ed/-ing/-s )
Etymology: Latin effervescere, from ex- + fervescere to begin to boil, incho. of fervēre to boil — more at burn
1. : to bubble and hiss (as of fermenting liquors or carbonated water) ; also : to issue in bubbles (as of the escaping gas from carbonated water)
2. : to exhibit (as in speech or action) almost unrestrainable enthusiasm or happy emotion : bubble over
I was full and effervescing with joy of creation — Mary Austin
the honeymooners hectically effervesced into small talk — Owen Wister