Discordant (adjective)

Conflicting, inconsistent, or clashing in nature, character, or quality; producing a harsh and unpleasant combination of sounds.

Origin:

From the latin discordans, from dis-, meaning "apart," and cordis, meaning "heart.".

Examples:

1. The discordant notes of the brass section ruined the otherwise beautiful performance.
2. The discordant ideas of the two political parties made it impossible to find common ground.
3. The discordant colors of the room made it look chaotic and cluttered.
4. The discordant policies of the two governments caused tension between the two countries.
5. The discordant emotions of the two lovers made it difficult for them to find happiness together.