Dis'so-nant, a.
a. [Lat. dissonans, p. pr. of dissonare, to disagree in sound, to be discordant, from prefix dis and sonare, to sound; Fr. dissonant, Pr. dissonans, Sp. disonante, It. dissonante.] 1. Without concord; discordant; harsh; jarring; unharmonious. Dire were the strain, and dissonant to sing. Thomson. 2. Disagreeing; incongruous; discrepant. “Any thing dissonant to truth.” South. What can be more dissonant from reason and nature than that a man, naturally inclined to clemency, should show himself unkind and inhuman? Bakewill.