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synonym Comparative
成人
VS
満員

Differences Between "成人" and "満員"

Option A
成人
Meaning
adult, full age
Reading
せいじん (seijin)
Syllabus Level
N3
Practical Example
日本では20歳で成人になります。
In Japan, you become an adult at 20 years old.
Option B
満員
Meaning
full (of people), packed
Reading
まんいん (man'in)
Syllabus Level
N3
Practical Example
満員の電車に乗り込むのは大変だ。
It's hard to get on a packed train.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(adult, full age)"?
🎉 正解 / Correct!
使い分け解説:
- 成人: A noun referring to a person who has reached the age of majority (usually 20 in Japan). Can also be used as a verb 成人する (to become an adult). (法的に大人と認められる年齢に達した人。またはその状態。)
- 満員: Describes a place (train, bus, theater, etc.) that is completely filled with people, having no more space.
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