King's Kung-Fu& Tai Chi

Japanese symbol for “duality”

Romaji: nigen
duality; binary (system)

In Japanese, duality is , read (nigen).

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-no, n duality; binary (system)

Kanji and stroke order

two, two radical (no. 7)
on: ニ、ジ
kun: ふた、ふた.つ、ふたたび
2 strokes · JLPT 4
beginning, former time, origin
on: ゲン、ガン
kun: もと
4 strokes · JLPT 3

Other Japanese words for “duality”

WordReadingMeaning
そうつい soutsuiduality
そうついせい soutsuiseiduality
にげんせい nigenseiduality; dualism
にじゅうせい nijuuseiduality; dual nature; duplexity

Related words

Words that share a kanji.

WordReadingMeaning
ふたつ futatsutwo
にぐう niguuthe Two Ise Shrines
にるいだ niruidatwo-base hit; double
にるい niruisecond base
にぶん nibunhalving; dividing (into two parts); bisection
いっせきにちょう issekinichoukilling two birds with one stone
げんき genkilively; full of spirit; energetic
じもと jimotohome area; home town

See also: Chinese symbol for “duality”.

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.