King's Kung-Fu& Tai Chi

Chinese symbol for “irrational”

无理
wú lǐ
Traditional: 無理
irrational; unreasonable

The closest CC-CEDICT match for irrational is 无理 (wú lǐ), defined as: irrational; unreasonable.

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.

Characters and stroke order

无 wú
no, not; lacking, -less
radical 71 ⽆ · 4 strokes
理 lǐ
science, reason, logic; to manage
radical 96 ⽟ · 11 strokes

Traditional forms

Other Chinese words for “irrational”

WordPinyinMeaning
悖谬 (悖謬)bèi miùabsurd; irrational

Related words

Other words that share a character with 无理.

WordPinyinMeaning
无法 (無法)wú fǎunable to; incapable of
无论 (無論)wú lùnno matter what or how; regardless of whether...
毫无 (毫無)háo wúnot in the least; to completely lack
无限 (無限)wú xiànunlimited; unbounded; infinite
无关 (無關)wú guānunrelated; having nothing to do (with sth else)
无数 (無數)wú shùcountless; numberless
管理guǎn lǐto supervise; to manage
处理 (處理)chǔ lǐto handle; to deal with; to punish

See also: Japanese symbol for “irrational”.

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3); Make Me a Hanzi (Arphic Public License (graphics.txt); LGPL-3.0-or-later (dictionary.txt)); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.