aggressiveness, agreement to disagree, alienation, altercation, antagonism, antipathy, apostasy, argument, argumentation, bad blood, bellicosity, belligerence, bickering, clashing, collision, combativeness, competition, conflict, contention, contentiousness, contradiction, contrariety, contrariness, controversy, counter-culture, cross-purposes, difference, disaccord, disaccordance, disagreement, disapprobation, disapproval, discord, discordance, discordancy, discrepancy, disharmony, disparity, dispute, dissatisfaction, dissent, dissentience, dissidence, dissonance, disunion, disunity, divergence, diversity, dropping out, enmity, faction, factiousness, flak, fractiousness, friction, hostility, inaccordance, inequality, infighting, inimicalness, irascibility, irritability, jarring, litigiousness, minority opinion, negation, negativeness, nonagreement, nonassent, nonconcurrence, nonconformity, nonconsent, noncooperation, obstinacy, opposition, oppugnancy, partisan spirit, partisanship, perverseness, pugnacity, quarrel, quarrelsomeness, recalcitrance, recusance, recusancy, refractoriness, rejection, repudiation, repugnance, rivalry, secession, shrewishness, strife, uncooperativeness, underground, unharmoniousness, variance, vying, withdrawal, wrangle