immaturity
🇺🇸
/ˌɪməˈtʃʊrəti/
🇬🇧
/ˌɪməˈtjʊərəti/
A lack of maturity or wisdom, often seen in the behavior of younger individuals.
His immaturity was evident when he threw a tantrum during the meeting.
彼の未熟さが、会議で騒ぎを起こしたときに明らかになりました。
The state of not being fully developed or grown, often in reference to physical or mental growth.
The doctor was concerned about the child's growth and the immaturity of his organs.
医師は、子供の発育とその臓器の未熟さについて懸念を持ちました。