King's Kung-Fu& Tai Chi

Chinese symbol for “unfathomable”

不可思议
bù kě sī yì
Traditional: 不可思議
(idiom) inconceivable; unimaginable; unfathomable

The closest CC-CEDICT match for unfathomable is 不可思议 (bù kě sī yì), defined as: (idiom) inconceivable; unimaginable; unfathomable.

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
可 kě
may, can, -able; possibly
radical 30 ⼝ · 5 strokes
思 sī
to think, to ponder, to consider; final particle
radical 61 ⼼ · 9 strokes
议 yì
to consult, to talk over; to criticize, to discuss
radical 149 ⾔ · 5 strokes

Traditional forms

Other Chinese words for “unfathomable”

WordPinyinMeaning
叵测 (叵測)pǒ cèunfathomable; unpredictable
神秘莫测 (神祕莫測)shén mì mò cèmystery; unfathomable
莫测高深 (莫測高深)mò cè gāo shēnenigmatic; beyond one's depth
不可端倪bù kě duān níimpossible to get even an outline (idiom); unfathomable

Related words

Other words that share a character with 不可思议.

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
可以kě yǐcan; may
可能kě néngmight (happen); possible
可是kě shìbut; however; (used for emphasis) indeed
意思yì siidea; opinion
会议 (會議)huì yìmeeting; conference

See also: Japanese symbol for “unfathomable”.

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.