verb (used with or without object)
- to fill again.
- a material, supply, or the like, to replace something that has been used up: a refill for a prescription.
- to fill (something) again
- a replacement for a consumable substance in a permanent container
- a second or subsequent fillinga refill at the petrol station
- informal another drink to replace one already drunk
1884, from refill (v.). Meaning “a second drink” is from 1929.