Also found in: Legal.
*in harmony(with someone or something)
1. Lit. in musical concord with someone or something. (*Typically: be ~; get ~.) This part is in harmony with the tenor's solo. The tenor part is not in harmony with the accompaniment.
2. Fig. agreeable or compatible with someone or something. (*Typically: be ~; get ~.) This is in complete harmony with our earlier discussions. Fred's position is quite clear. What you have said is not in harmony with Fred.