What does 改まる mean?
改まる is a Japanese verb meaning “to be renewed; to be formal” in English. It can also be translated as “to take a turn for the worse (of an illness)” depending on context. It is written as 改まる in kanji, あらたまる in hiragana, and aratamaru in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
長年の習慣はなかなか改まらない。
Old habits die hard.