King's Kung-Fu& Tai Chi

Chinese symbol for “indefatigable”

不懈
bù xiè
untiring; unremitting; indefatigable

The closest CC-CEDICT match for indefatigable is 不懈 (bù xiè), defined as: untiring; unremitting; indefatigable.

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

不 bù
no, not, un-; negative prefix
radical 1 ⼀ · 4 strokes
懈 xiè
idle, relaxed; negligent, remiss
radical 61 ⼼ · 16 strokes

Other Chinese words for “indefatigable”

WordPinyinMeaning
不倦bù juàntireless; untiring

Related words

Other words that share a character with 不懈.

WordPinyinMeaning
不是bù shìno; is not
不能bù néngcannot; must not
不会 (不會)bù huìimprobable; unlikely
不过 (不過)bù guòonly; merely
不同bù tóngdifferent; distinct
坚持不懈 (堅持不懈)jiān chí bù xiè(idiom) to persevere unremittingly; to keep going until the end
懈怠xiè dàislack; lazy
松懈 (鬆懈)sōng xièto relax; to relax efforts

See also: Japanese symbol for “indefatigable”.

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.