ADJ

absolute, complete, perfect
reasonable, relative
They've lived together in reasonable harmony for many years
domestic, political, racial, social
On the surface, their life seemed a model of domestic harmony

VERB + HARMONY

achieve
maintain, preserve
They try to maintain harmony between the two communities
foster, promote
The Church tries to promote racial harmony
live in

PREP

in ~
They work together in harmony
~ between
They try to foster harmony between different groups of people
~ with
living in perfect harmony with nature

PHRASES

a sense of harmony
A new sense of harmony developed in the community

ADJ

musical
five-part, four-part, etc.
an arrangement with four-part harmony

PREP

in ~
to sing in harmony