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Kotomora

虫むし

む
し
Common wordJLPTN4Freq.Top 5,000

Meanings

1

noun

insect; bug; small crawling or flying creature

A broad everyday word for insects and many small creatures people casually call bugs; it can include crickets, moths, and similar creatures without strict biological precision.

2

noun

worm; roundworm; intestinal worm

Used broadly for worm-like creatures and parasitic worms; it is less technical than terms such as 寄生虫 or 回虫.

3

noun

inner impulse; unconscious feeling; mood-influencing inner presence

Figurative use rooted in the traditional idea of an internal 'insect' affecting feelings, instincts, or moods. It appears mostly in idioms such as 虫が知らせる, 虫の居所が悪い, and 虫を殺す.

See also: 虫を殺す

4

noun

fretfulness; nervous irritability

Old-fashioned or folk-expression use, especially in phrases like 癇の虫, referring to a child's fretfulness, nervousness, or irritability rather than a literal insect.

See also: 虫気

5

noun

person devoted to one thing; single-minded enthusiast

Used after a noun in expressions such as 本の虫 or 仕事の虫, meaning someone absorbed in or devoted to that one thing.

See also: 本の虫

6

noun

valve core

Mechanical term for the small core part of a valve, especially in contexts such as bicycle tire valves. This is a specialized sense unrelated to insects.

7

noun

mushi; hanafuda game with a stripped deck

usually written using kana alonehanafuda

Only with reading むし

Specialized hanafuda term for a type of game played with a reduced or stripped deck; this sense is usually written in kana.

See also: 虫札

Usage patterns

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