English Reference

Word

warm

US/ˈwɔɹm/

UK/wˈɔːm/

Definitions

01temperature

A1 · Beginner

adj. having a pleasant heat that is not too hot.

adj. characterized by a moderate degree of heat, typically perceived as comfortable or pleasant.

“It was a warm spring day, so we decided to have a picnic in the park.”

“The baker checked the dough to ensure the water was warm enough to activate the yeast without killing it.”

Synonyms

Antonyms

02friendly

A2 · Elementary

adj. friendly, kind, and showing that you like someone.

adj. demonstrating affection, kindness, or cordiality in interpersonal interactions.

“The hotel staff gave us a very warm welcome when we arrived.”

“Despite their professional rivalry, the two scientists maintained a warm relationship and frequently exchanged data.”

03colors

B1 · Intermediate

adj. describing colors like red, orange, and yellow.

adj. referring to hues in the red, orange, and yellow part of the visible spectrum, often associated with heat.

“She chose warm colors for the living room to make it feel cozy.”

“The artist used a palette of warm tones to capture the late afternoon sunlight hitting the sandstone cliffs.”

Synonyms

Antonyms

04to heat up

A2 · Elementary

v. to make something warm or to become warm.

v. to increase the temperature of an object or environment; functions both transitively and intransitively.

“You can warm the soup on the stove for a few minutes.”

“As the sun rose higher, the dark pavement began to warm, radiating heat back into the morning air.”

Synonyms

heatreheat

Antonyms

05to start liking

B2 · Upper Intermediate

v. to start to like someone or something more than before.

v. to become more enthusiastic about or well-disposed toward a person or idea over time; often used with 'to'.

“I didn't like the new manager at first, but I'm starting to warm to him.”

“The public was initially skeptical of the tax reform, but they began to warm to the proposal once the benefits were explained.”

Usage

Usually takes the preposition 'to'.

Synonyms

softenrelent

06computing/internet

C1 · Advanced Computing Technical

v. to prepare a system or email account so it is ready to work well.

v. to prepopulate a cache or establish a sender reputation for an email domain to ensure optimal performance.

“We need to warm the new email domain before sending the big newsletter.”

“Engineers spent the weekend warming the cache to ensure the system could handle the anticipated surge in traffic during the product launch.”

Synonyms

07a state of heat

B2 · Upper Intermediate Countable noun Informal

n. the act of making something warm or the feeling of heat.

n. the state of being warmed or the process of applying heat; often used colloquially.

“Come sit by the fire and have a quick warm before you go back outside.”

“After hours of hiking through the snow, the hikers enjoyed a good warm by the hearth of the mountain cabin.”

Synonyms

Etymology

From Middle English warm, werm, from Old English wearm, from Proto-West Germanic warm, from Proto-Germanic warmaz, either from Proto-Indo-European wór-mo-s, from wer- (“to burn”), or Proto-Indo-European gʷʰor-mo-s, from the root gʷʰer- (“warm, hot”). Cognate with West Frisian waarm, Saterland Frisian woorm, Dutch warm, German warm, Swedish varm, Icelandic varmur, Ancient Greek θερμός (thermós) (in which case perhaps a distant doublet of thermos), Latin formus, Sanskrit घर्म (gharmá), or alternatively from Proto-Indo-European *wer- (“to burn”), related to Hittite 𒉿𒊏𒀀𒉌 (warāni, “to burn”), Armenian վառել (vaṙel, “to burn, heat, warm”), Old Church Slavonic варити (variti, “to cook, boil”).

From Middle English warmen, wermen, wyrmen, from Old English wierman (“to make warm”) and wearmian (“to become warm”), from Proto-West Germanic warmijan and warmōn. Cognate with Dutch warmen, German wärmen, Swedish värma.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

Related words

Idioms

Domains

ComputingInternet

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Common
Level
A1 · BeginnerOxford
Updated

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