harmony harmony /ˈhɑːrməni/

noun

1. () Compatibility in opinion and action  ( harmoniousness , harmony )
   compatibility in opinion and action
     The harmony between the instruments created a beautiful musical composition.
   The harmony between the instruments created a beautiful musical composition.
   
2. () The structure of music with respect to the composition and progression of chords  ( musical harmony , harmony )
   the structure of music with respect to the composition and progression of chords
    In the symphony, the harmony between the violins and cellos was simply mesmerizing.
   In the symphony, the harmony between the violins and cellos was simply mesmerizing.
   
   
3. () A harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole  ( concord , concordance , harmony )
   a harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole
   
4. An agreeable sound property  ( harmony )
   an agreeable sound property
   
5. Agreement of opinions  ( concord , concordance , harmony )
   agreement of opinions