Japanese symbol for “indoor”

室内

しつない

Romaji: shitsunai

indoor; inside the room

In Japanese, indoor is 室内, read しつない (shitsunai).

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

adj-no, n indoor; inside the room

Kanji and stroke order

室

room, apartment, chamber

on: シツ
kun: むろ

9 strokes · JLPT 3

内

inside, within, between

on: ナイ、ダイ
kun: うち

4 strokes · JLPT 2

Other Japanese words for “indoor”

Word	Reading	Meaning
インドア	インドア indoa	indoor

Related words

Words that share a kanji.

Word	Reading	Meaning
教室	きょうしつ kyoushitsu	classroom; lecture room
客室	きゃくしつ kyakushitsu	guest room (at a hotel); guest cabin (on a boat); passenger cabin (on a plane)
寝室	しんしつ shinshitsu	bedroom
温室	おんしつ onshitsu	greenhouse; hothouse; conservatory
浴室	よくしつ yokushitsu	bathroom
内容	ないよう naiyou	contents; content; substance
国内	こくない kokunai	within the country; inside the county; domestic
内部	ないぶ naibu	interior; inside; internal

See also: Chinese symbol for “indoor”.

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.