Japanese symbol for “unstructured”

非構造制約集合

ひこうぞうせいやくしゅうごう

Romaji: hikouzouseiyakushuugou

unstructured (constraint set)

In Japanese, unstructured is 非構造制約集合, read ひこうぞうせいやくしゅうごう (hikouzouseiyakushuugou).

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

n unstructured (constraint set) (comp)

Kanji and stroke order

非

un-, mistake, negative

on: ヒ
kun: あら.ず

8 strokes · JLPT 2

構

posture, stance, appearance

on: コウ
kun: かま.える、かま.う

14 strokes · JLPT 2

造

create, make, structure

on: ゾウ
kun: つく.る、つく.り、-づく.り

10 strokes · JLPT 2

制

system, law, rule

on: セイ

8 strokes · JLPT 2

約

promise, approximately, shrink

on: ヤク
kun: つづ.まる、つづ.める、つづま.やか

9 strokes · JLPT 2

集

gather, meet, congregate

on: シュウ
kun: あつ.まる、あつ.める、つど.う

12 strokes · JLPT 3

合

fit, suit, join

on: ゴウ、ガッ、カッ
kun: あ.う、-あ.う、あ.い、あい-

6 strokes · JLPT 3

Other Japanese words for “unstructured”

Word	Reading	Meaning
不定形	ふていけい futeikei	undefined; indefinite; unstructured

Related words

Words that share a kanji.

Word	Reading	Meaning
非常	ひじょう hijou	emergency
是非	ぜひ zehi	certainly; without fail
非難	ひなん hinan	criticism; blame; censure
非公式	ひこうしき hikoushiki	informal; unofficial
非公開	ひこうかい hikoukai	private; non-public; secret
非行	ひこう hikou	delinquency; misconduct
結構	けっこう kekkou	splendid; nice; wonderful
構造	こうぞう kouzou	structure; construction; makeup
製造	せいぞう seizou	manufacture; production
制度	せいど seido	system; institution; organization
契約	けいやく keiyaku	contract; compact; agreement
編集	へんしゅう henshuu	editing; compilation
場合	ばあい baai	case; occasion; situation

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.