(MUSIC) [adjective] [not gradable] - (of music) written using a scale in which there is typically a half tone between the second and third and usually between the fifth and sixth notes and a whole tone between each of the othersMusic written in a minor key often sounds sad or moody.She played a piano concerto in D minor.Compare major.
MINOR
Meaning of MINOR in English
Cambridge English vocab. Кембриджский английский словарь. 2012