Meaning: Harsh or unpleasant in sound because of lack in harmony.
Synonyms: Inharmonious, tuneless, off key, dissonant, jarring, grating, jangling, strident, shrill, screeching, cacophonous, in disagreement, at variance, divergent, conflicting, clashing, opposing.
Use: The frightened cat gave a discordant shriek and jumped on top of the table.
The discordant sound of the teacher’s high-pitched voice silenced the class.
Sheela bought earplugs to block out the discordant noise that came from her neighbor’s house.