the GNU version of the Collaborative International Dictionary of English
n. Lack of consonance or harmony of sound, action, or thought; disagreement.
The Century Dictionary and Cyclopedia
n. Disagreement; want of harmony; discordance.
Word Usage
"I presumed that this was a possible conception, (i.e. that it involved no logical inconsonance,) from the length of time during which the scholastic definition of the Supreme"