虫
Meaning in Englishinsect, bug
Animated kanji stroke order
Related sentences
Related sentences
There are no published items in this section yet.
Word context
What it means
虫 (mushi) means a small invertebrate—commonly an insect or worm—and is the everyday Japanese noun used to refer to tiny crawling or flying creatures; in normal speech it covers a broad, non-scientific category of bugs people notice outdoors or in the home.
Main meanings
- 1. A nuisance or pest in everyday speech, used when an animal damages crops, food, or property.
- 2. A derogatory slang sense for a despised creature or contemptible person.
- 3. A derivational suffix 〜虫 (〜むし) that creates nouns meaning someone with a habit or obsession (a person given to something).
- 4. Appears in idiomatic expressions where it represents impulses, intuitions, or selfish desires rather than a literal animal.
How to use it
Used widely in everyday conversation when identifying or complaining about bugs, in children's speech and folk contexts, and as a productive element in compounds and nicknames; in formal scientific or technical contexts speakers prefer specific compound terms, while idioms and figurative uses appear across registers from casual to literary.
Variants and close terms
- 昆虫 (konchū) — insect (scientific/technical term)
- 害虫 (gaichū) — pest (harmful insect)
- 虫けら (mushikera) — derogatory term for a lowly creature/person
Composition
The character 虫 (mushi) is a single-kanji pictograph/ideograph historically representing a small crawling creature; its standard form functions as the 'insect' radical used to form other characters related to insects or small animals, and the strokes emphasize a compact, segmented shape rather than multiple combined kanji.
Etymology
虫 (mushi) reflects an ancient Japonic word reconstructed as *musi/*musi̯ that survived into Old Japanese; the modern pronunciation derives from regular sound changes within Japanese rather than from a loanword.
Origin
The character 虫 (mushi) was adopted with Chinese writing early in Japan's history and appears in classical poetry and records; the concept of insects has deep roots in agrarian life, folk practices, and seasonal literature where small animals were observed, valued, feared, or used as cultural symbols.
Word class
noun (名詞); derivational suffix/affixive use (接尾辞)