being at variance; disagreeing; incongruous: discordant opinions.
2.
disagreeable to the ear; dissonant; harsh.
3.
Geology. (of strata) structurally unconformable.
Origin: 1250–1300; Middle English discordaunt < Anglo-French < Latin discordant- (stem of discordāns), present participle of discordāre.See discord, -ant