adj, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Something that warms (something else) by providing some small amount of heat, such as a hot water bottle or a soup.

   "[…] tortillas are kept warm and moist in an electric warmer […]"

2. 2
   device that heats water or supplies warmth to a room wordnet
3. 3
   A piece of clothing for warmth via insulation of body heat.
4. 4
   An introductory activity, for example in a lesson, to stimulate interest in a topic.

Adjective

1. 1
   comparative form of warm: more warm comparative, form-of

Synonyms

All synonyms

burnercookercookeryelementfurnaceheater

Example

More examples

"According to scientists, the atmosphere is getting warmer year after year."

Etymology

From warm + -er.

Related phrases

bench-warmerbottle warmerdiaper warmerheart-warmerleg-warmernappy warmerpeg warmerspoon warmertriple warmertyre warmerwarmer-upperwilly warmer

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.