disagreement (n.)
- abnegation
- alienation
- altercation
- antagonism
- antipathy
- antithesis
- apostasy
- argument
- aversion
- backwardness
- ban
- blackball
- clash
- collision
- complaint
- conflict
- confrontation
- contention
- contradiction
- contradistinction
- contraindication
- contrariety
- contrast
- controversy
- debate
- declension
- declination
- denial
- departure
- deprivation
- deviation
- difference
- difficulty
- disappointment
- disapprobation
- disapproval
- disclaimer
- discontent
- discontentedness
- discontentment
- discord
- discordance
- discrepancy
- discreteness
- disenchantment
- disesteem
- disfavor
- disgruntlement
- disillusion
- disillusionment
- disinclination
- disobedience
- disparity
- displeasure
- dispute
- disrespect
- dissatisfaction
- dissension
- dissent
- dissidence
- dissimilarity
- distaste
- distinction
- distinctness
- divergence
- divergency
- diversity
- division
- exclusion
- fractiousness
- heterogeneity
- hostility
- incompatibility
- incongruity
- inconsistency
- indignation
- indisposition
- inequality
- inharmoniousness
- intractableness
- misunderstanding
- mixture
- nay
- negation
- negative
- nix
- no
- nonacceptance
- noncompliance
- nonconformance
- nonconformism
- nonconformity
- nonobservance
- objection
- obstinacy
- odds
- oppositeness
- opposition
- originality
- ostracism
- otherness
- perversity
- polarity
- polarization
- protest
- quarrel
- recalcitrance
- recalcitrancy
- recantation
- recusancy
- refractoriness
- refusal
- rejection
- reluctance
- repudiation
- repugnance
- resistance
- retention
- rhubarb
- secession
- separateness
- showdown
- slowness
- strife
- stubbornness
- sulk
- sulkiness
- sullenness
- turndown
- underground
- unhappiness
- unlikeness
- unorthodoxy
- unwillingness
- variance
- variation
- variegation
- variety
- withdrawal
- withholding