v.1. To reach a comfortable and agreeable degree of heat; warm completely: I finally warmed up by sitting next to the fire.
2. To bring something or someone to a comfortable and agreeable degree of heat; warm something or someone completely: The furnace warmed up the house. The fire warmed me up.
3. To reheat some food: Can I warm up your coffee for you? I'll just warm these leftovers up when I get home.
4. To prepare for an athletic event by exercising, stretching, or practicing for a short time beforehand: We warmed up for 15 minutes before starting the match. We warmed up with a few short rallies.
5. To make someone or something ready for an event or operation: I'll go out and warm up the car so that it won't stall. The conductor warmed the orchestra up before the concert.
6. To become ready for an event or operation: How long does it take the printer to warm up? The musicians warmed up before the concert.
7. To become enthusiastic, excited, or lively: The bar doesn't warm up until about 11:00. I warmed up to the subject after I switched teachers.
8. To make someone or something enthusiastic, excited, or lively: The emcee warmed up the crowd before the band came out. It took a bit of persuading, but we finally warmed them up to the idea.
9. To become kindly disposed or friendly: The group warmed up once the business was out of the way. I didn't warm up to them until we had gone out a few times.
10. To fill someone with pleasant emotions: It warms me up to know that you are on my side.