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minor key

/maɪnər keɪ/ · mi.nor.key
noun
  1. A key in music that has a minor scale or chord progression. The song was written in a minor key to convey a sense of melancholy.
  2. A key that is not the tonic key of a piece of music. The composer used a minor key in the second movement to create contrast with the major key of the first movement.
adjective
  1. Of or relating to a key that has a minor scale or chord progression. The minor key melody was hauntingly beautiful.
Did you know? The use of minor keys in music has been associated with a range of emotions, including sadness, melancholy, and introspection, but can also be used to create a sense of tension or drama.
Written by Lexi Wordsworth, Dictionary Editor 2 lookups Added Jul 27, 2026