King's Kung-Fu& Tai Chi

Japanese symbol for “warm”

Romaji: ondan
warm; mild; temperate

In Japanese, warm is , read (ondan).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

  1. adj-na, n warm; mild; temperate

Kanji and stroke order

warm
on: オン
kun: あたた.か、あたた.かい、あたた.まる、あたた.める
12 strokes · JLPT 2
warmth
on: ダン、ノン
kun: あたた.か、あたた.かい、あたた.まる、あたた.める
13 strokes · JLPT 2

Other Japanese words for “warm”

WordReadingMeaning
あたたかい atatakaiwarm; mild; (pleasantly) hot
あつい atsuihot; warm; sultry
てあつい teatsuiwarm (treatment, reception, etc.); kind; cordial
あたためる atatameruto warm (up); to heat (up)
ぬくめる nukumeruto warm (up); to heat (up)

Related words

Words that share a kanji.

WordReadingMeaning
おんせん onsenhot spring
きおん kion(air) temperature
おんど ondotemperature
たいおん taionbody temperature
こうおん kouonhigh temperature
あたたかい atatakaiwarm; mild; (pleasantly) hot
だんぼう danbou(indoor) heating
だんろ danrofireplace; hearth; stove

See also: Chinese symbol for “warm”.

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.