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大人
otona
adult
彼はもう大人だから、自分で決めるべきだ
He's an adult now, so he should decide for himself
general
An adult person, typically someone who is mature or has reached legal adulthood
子供と大人で料金が違います
The price is different for children and adults
彼女は大人っぽい服を着ている
She is wearing clothes that look mature
Can also refer to someone who is mature in behavior or attitude, not necessarily by age
informal
A grown-up, someone who is no longer a child
大人になったら、もっと自由になる
When you grow up, you'll have more freedom
Related Phrases
Pro Tip
Age vs. Maturity
While 大人 primarily refers to age, it can also imply maturity in behavior or attitude.
Gold Rule
Context Matters
In some contexts, 大人 can refer to someone who is mature in behavior, not necessarily by age.
Word Origin
From 大 (big) + 人 (person), literally 'big person'
Usage Notes
Can be used both literally (referring to age) and figuratively (referring to maturity). In some contexts, it can imply responsibility or seriousness.
Word Breakdown
大
big
root人
person
root和英辞典