What does refill mean?
Refill is a common word that works as both a verb and a noun. As a verb, it means to fill a container or receptacle again after its contents have been used or depleted, as in refilling a water bottle, travel mug, or fuel tank. It can also mean to provide or dispense another prescribed quantity of medicine. As a noun, a refill is the act of filling again, the fresh material or supply put into a container, or an additional medicine obtained under the same prescription. The term is neutral in register and common in household, workplace, travel, and healthcare settings. Its usefulness lies in its precision: it names replacement specifically by adding what has been consumed or used. Although “refill” may suggest an informal transaction, it is fully standard in formal medical and commercial contexts. Its transparent formation from re- and fill also makes its meaning immediately accessible, while related forms such as replenish convey a similar idea in more formal language.
The act of filling something again; a fresh supply or additional quantity used for that purpose; or an additional quantity of medicine dispensed under an existing prescription.
"She bought a refill pack for her travel mug."
The noun is especially common for medicine obtained under a prescription and for a replacement supply used to refill a container.
To fill a container or receptacle again after its contents have been used, removed, or depleted; also, to provide an additional prescribed quantity of medicine.
"We refilled the coffee maker before the meeting."
Usually transitive, although it can also be used intransitively when the thing being filled is understood.
The plural is used for individual replacement supplies, quantities, or acts of refilling.
"The pharmacy allows two refills on this prescription."
Refill quietly serves both water bottles and pharmacies: it can name the act of topping up or the extra contents that make a second fill possible.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does refill come from?
The modern word is an English formation from the prefix re-, meaning “again,” and the older verb fill. The prefix ultimately comes through French from Latin re-, while fill descends from Old English fyllan and is related to full. The formation transparently means “fill again,” and the noun expresses another filling or the supply used for it. The Latin root replere, “to fill,” also lies behind replenish, replete, and repletion.
Related word forms
How refill is actually used
The word is neutral and widely used in British and American English. It is standard in formal medical and commercial contexts as well as in everyday speech.
Easily confused with refill
Refill means to fill or replenish something again, whereas refile means to file something again.