King's Kung-Fu& Tai Chi

Japanese symbol for “underline”

Romaji: kasen
underline; underscore

In Japanese, underline is , read (kasen).

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. n underline; underscore

Kanji and stroke order

below, down, descend
on: カ、ゲ
kun: した、しも、もと、さ.げる
3 strokes · JLPT 4
line, track
on: セン
kun: すじ
15 strokes · JLPT 2

Other Japanese words for “underline”

WordReadingMeaning
ぼうせん bousenunderline; side line (equivalent to underlining in vertically written text)
アンダーライン andaarainunderline
ふとせん futosenheavy line (for emphasis); thick line; underline

Related words

Words that share a kanji.

WordReadingMeaning
いか ikanot exceeding ...; not more than ...; ... and under
ちか chikaunderground; below the ground
ていか teikafall; decline; lowering
じょうげ jougetop and bottom; high and low; above and below
ちかてつ chikatetsusubway; metro; underground (railway)
ぶか bukasubordinate person
しんかんせん shinkansenShinkansen; bullet train
むせん musenradio (communication)

See also: Chinese symbol for “underline”.

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.

Last posts

  1. Best Wooden Naginata for Practice and How to Choose Yours
  2. Choosing a Keikogi for Hakama Compatibility and Performance
  3. What Size Hakama Should I Order for Proper Fit
  4. Best Aikido Hakama for Beginners Choosing Your First Pair
  5. Kendo Bogu Costs and Timing Your First Purchase
  6. Best Kendo Starter Sets for Beginners and How to Choose
  7. Best Sword Oil and Cloth Kits for Wooden Training Weapons
  8. Is Hickory a Good Wood for a Practice Sword
  9. Best Bokken for Tall Practitioners Choosing the Right Fit
  10. How Heavy Should a Practice Bokken Be for Training