adjective
1.
( of a person ) neither young nor old
2.
the middle aged noun [ pl. ] people who are middle-aged
3.
( disapproving ) ( of a person's attitudes or behaviour ) rather boring and old-fashioned
adjective
1.
( of a person ) neither young nor old
2.
the middle aged noun [ pl. ] people who are middle-aged
3.
( disapproving ) ( of a person's attitudes or behaviour ) rather boring and old-fashioned
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005