adjective Lesser, smaller in importance, size, degree, seriousness, or significance compared to another option, particularly:
of minor importance
adjective Underage, not having reached legal majority.
The defendant resides at 123 Fake Street with his partner and two minor children.
adjective Not serious, not involving risk of death, permanent injury, dangerous surgery, or extended hospitalization.
She suffered a minor injury.
adjective Smaller by a diatonic semitone than the equivalent major interval.
The musical interval between C and E♭ is a minor third while C to E is a major third.
adjective Incorporating a minor third interval above the tonic or root note, tending to produce a dark, discordant, sad, or pensive effect.
Beethoven's melancholy Moonlight Sonata is scored in the key of C# minor, using the diatonic scale C♯, D♯, E, F♯, G♯, A, and B, but modulates throughout.
adjective Aeolian, natural minor.
adjective Of or related to a minor, a secondary area of undergraduate study.
The minor requirements only involve about 20 hours of classes.
adjective Of or related to a minor, a determinate obtained by deleting one or more rows and columns from a matrix.