to make or become lively or merry; cheer: often with up
Origin of liven; from live + -en
tr. & intr.v.li·vened, li·ven·ing, li·vens
To make or become more lively: liven up a party; a discussion that livened up.
(third-person singular simple present livens, present participle livening, simple past and past participle livened)
- (intransitive) To cause to be more lively.
- Let's liven up this party!