to become lively, cheerful, or vigorous, as after depression or sickness (usually fol. by up )

The patients all perked up when we played the piano for them.

to act, or carry oneself, in a jaunty manner.

to put oneself forward briskly or presumptuously.

to make smart, trim, or jaunty (sometimes fol. by up or out )

to perk up a suit with a new white blouse.

to raise smartly or briskly (often fol. by up or out )

to perk one's head up.

perky; jaunty

a perk manner.

verb

depress

verb

ameliorate , be refreshed , brighten , buck up * , cheer up , convalesce , gain , improve , invigorate , liven up , look up , mend , pep up , rally , recover , recuperate , refresh , renew , revive , shake , take heart , buck up , cheer , hearten , nerve , come around