| 1. | 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. |
| 2. | to act, or carry oneself, in a jaunty manner. |
| 3. | to put oneself forward briskly or presumptuously. |
| 4. | to make smart, trim, or jaunty (sometimes fol. by up or out): to perk up a suit with a new white blouse. |
| 5. | to raise smartly or briskly (often fol. by up or out): to perk one's head up. |
| 6. | perky; jaunty: a perk manner. |
perk
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perk up
Restore to good spirits, liveliness, or good appearance, as in You're exhausted, but a cup of tea will perk you up, or The flowers perked up the whole room. [Mid-1600s]