Japanese symbol for “unsubstantiated”

根拠薄弱

こんきょはくじゃく

Romaji: konkyohakujaku

unsubstantiated; flimsy

In Japanese, unsubstantiated is 根拠薄弱, read こんきょはくじゃく (konkyohakujaku).

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-na unsubstantiated; flimsy

Kanji and stroke order

根

root, radical, head (pimple)

on: コン
kun: ね、-ね

10 strokes · JLPT 2

拠

foothold, based on, follow

on: キョ、コ
kun: よ.る

8 strokes · JLPT 1

薄

dilute, thin, weak (tea)

on: ハク
kun: うす.い、うす-、-うす、うす.める

16 strokes · JLPT 2

弱

weak, frail

on: ジャク
kun: よわ.い、よわ.る、よわ.まる、よわ.める

10 strokes · JLPT 3

Related words

Words that share a kanji.

Word	Reading	Meaning
屋根	やね yane	roof
根拠	こんきょ konkyo	basis; grounds; foundation
根本	こんぽん konpon	root; source; origin
根性	こんじょう konjou	willpower; guts; determination
大根	だいこん daikon	daikon (variety of large white Oriental radish, Raphanus sativus var. longipinnatus)
島根	しまね shimane	Shimane (prefecture)
証拠	しょうこ shouko	evidence; proof
拠点	きょてん kyoten	base (of operations); site; location
薄い	うすい usui	thin (of an object)
弱い	よわい yowai	weak; frail; delicate

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.