후진

being underdeveloped; being less developed

Explanation

〔後進〕

1. being underdeveloped; being less developed
A state of lagging behind in the level of development of a certain field; or such a person.

2. being backward; being reverse
A state of moving backward.

3. junior
A person who entered the same school later than oneself.

Examples
후진 국가
후진 민족
후진 사회

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