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Kana: おとな Romaji: otona Level: N5

大人

Meaning in English

adult

Stroke order

Animated kanji stroke order

大
Illustrated Dictionary
大人 - Illustrated Dictionary
Dictionary

Word context

What it means

What does 大人 mean? It denotes a person who is legally and socially recognized as an adult in Japan, signifying maturity and the capacity to assume adult responsibilities, typically contrasted with children or youths.

Main meanings

  • adult person, someone who has reached maturity or the age of majority
  • maturity or seriousness in behavior, often implying responsible conduct
  • as a modifier 大人向け for products or media intended for adults

How to use it

Used as a noun in formal and casual contexts to denote a grown person; common in education, media, law, and everyday conversation; frequently appears in phrases such as 大人になる and 大人向け to indicate growth or adult-oriented content.

Variants and close terms

  • 成人 (seijin) — adult, legal age
  • 子供 (kodomo) — child; opposite
  • 大人向け (otona-muke) — for adults

Composition

  • 大: large, great
  • 人: person
  • Together they denote a person who has grown in size or maturity

Etymology

Phonetic evolution: a native kun'yomi compound formed from 大 (large, great) and 人 (person); the pronunciation otona reflects traditional reading rather than a Sino-Japanese on’yomi, and the form has remained stable across dialects.

Origin

The concept appears in classical Japanese literature and everyday discourse, with adulthood as a social and legal category widely discussed by the Edo period; the term has long been used to distinguish mature individuals from youth in education, law, and family life.

Word class

noun (名詞)

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