Synonyms for disagreement

noun

1. Discord

   contention, strife, conflict, difference of opinion, cross-purposes, controversy, wrangle, vendetta, dissension, atmospherics, animosity, ill feeling, ill will, misunderstanding, division, opposition, hostility, breach, discord, disunion, feud, clashing, antagonism, disunity, dissidence, dissent, bickering, squabble, divisiveness, lack of concord, tension, friction, split, quarreling, jarring, falling out, break, rupture, quarrel, clash, opposition, altercation, variance, contest; see also battle 2, competition 1, fight 1.

2. Inconsistency

   discrepancy, dissimilarity, disparity; see difference 1.

3. A quarrel

   fight, argument, feud; see dispute.