ko
nounBeginner
formalinformal

child; kid

子供は公園で遊んでいます。

The children are playing in the park.

私の子は5歳です。

My child is five years old.

💡

Can refer to a child in general or one's own child. Often used in compounds like 子供 (kodomo, children).

formal

offspring; descendant

その動物の子は成長が早い。

The animal's offspring grow quickly.

💡

Used in biological or genealogical contexts.

informal

small or young thing (figurative)

この木の子はまだ弱い。

This young tree is still weak.

💡

Used metaphorically for small or young things, not just living beings.

Collocations

子供child/children子供の頃childhood子供扱いtreating someone like a child

Synonyms

Antonyms

Related Phrases

子を持つphrase
to have a child
子供の手idiom
child's hand (idiom for something small or delicate)

💡Pro Tip

Compound Usage

'子' is frequently combined with other words to form compounds like '子供' (kodomo, child) or '子犬' (koinu, puppy).

Gold Rule

Gender Neutral

'子' is gender-neutral and can refer to any child, regardless of gender.

📖Word Origin

From Old Japanese 'ko', meaning 'child' or 'offspring'. The kanji is a pictograph of a child with legs spread, derived from Chinese.

📝Usage Notes

In modern Japanese, '子' is often used in compounds rather than alone. The standalone form is more common in classical or poetic contexts.

Word Breakdown

child or offspring
root
Noted on May 2, 2026JAEN