衰えるおとろえる

otoroeru

to become weak, to decline

Example sentence

貿易の活動は最近衰えてきている。

The activity of foreign trade has been declining of late.

Word	JLPT	Reading	Meaning
老衰	N1	ろうすい	ろうすいsenility, senile decay

Word	Reading	Meaning
開発	かいはつ	かいはつdevelopment, exploitation
限定	げんてい	げんていlimit, restriction
運営	うんえい	うんえいmanagement, administration, operation
採用	さいよう	さいようuse, adopt
破壊	はかい	はかいdestruction
導入	どうにゅう	どうにゅうintroduction, bringing in, leading in
設置	せっち	せっちestablishment, institution
復活	ふっかつ	ふっかつrevival (e.g., musical), restoration

Spaced repetition, mnemonics and quizzes, from N5 to N1. Free to start.