怪

Suspicious

Level 79

How this kanji evolved

Explore each form from the oldest known stage to today.

The character 怪 (guài) evolved from ancient Chinese pictographs representing 'strange' or 'supernatural.' The modern form combines 忄(heart/mind) with 圣 (which originally depicted a hand reaching into the earth). This composition suggests something that stirs the mind or heart in an unusual way - hence meanings like 'strange,' 'weird,' or 'monster.' In Liushutong, the character appears in forms that show the evolution from more pictorial representations of mysterious phenomena to the standardized modern shape. Arrived in Japan: The character 怪 arrived in Japan during the 5th-6th centuries CE along with the broader introduction of Chinese writing system (kanji) through Buddhist texts and cultural exchange. It was incorporated into the Japanese language as the kanji 怪, read as 'kai' or 'ke' in on'yomi readings, and used in words like 怪獣 (kaijū - monster) and 奇怪 (kikai - strange).

Reading reference

Onyomi (音読み)

カイケ

Kunyomi (訓読み)

あや

Related Vocabulary

怪しい
suspicious, dubious, questionable, dodgy, shady, fishy, doubtful, unsure, uncertain, unlikely, implausible, untrustworthy
怪我
injury, wound, mistake, accident, loss
怪事件
mystery case
怪獣
monster
怪談
ghost story, tale of the supernatural
怪物
monster
妖怪
ghost, apparition, phantom, spectre, specter, demon, monster, goblin, yōkai