opposition (n.)
- adversary
- adversity
- alienation
- allegory
- analogy
- antagonism
- antagonist
- antipathy
- antithesis
- apostasy
- argumentation
- arrest
- assailant
- aversion
- backlash
- backwardness
- balancing
- ban
- blackball
- blockage
- blocking
- challenge
- check
- closure
- collision
- combatant
- compare
- comparing
- comparison
- competition
- competitor
- complaint
- con
- conflict
- confrontation
- confutation
- constriction
- contention
- contradiction
- contradistinction
- contraindication
- contrariety
- contrast
- controversy
- correlation
- counteraction
- cramp
- crankiness
- crotchetiness
- defiance
- delay
- demur
- departure
- detainment
- detention
- deviation
- difference
- disagreement
- disappointment
- disapprobation
- disapproval
- discontent
- discontentedness
- discontentment
- discord
- discordance
- discrepancy
- discreteness
- disenchantment
- disesteem
- disfavor
- disgruntlement
- disharmony
- disillusion
- disillusionment
- disinclination
- disobedience
- disparity
- displeasure
- dispute
- disrespect
- dissatisfaction
- dissension
- dissent
- dissidence
- dissimilarity
- dissonance
- distaste
- distinction
- distinctiveness
- distinctness
- disunion
- disunity
- divergence
- divergency
- diversity
- enemy
- exclusion
- faction
- fixation
- flak
- foe
- foeman
- fractiousness
- friction
- heterogeneity
- hindrance
- holdup
- hostile
- hostility
- impediment
- incompatibility
- incongruity
- inconsistency
- indignation
- indisposition
- inequality
- inharmoniousness
- inhibition
- interference
- interruption
- intractableness
- kick
- let
- likening
- matching
- metaphor
- mixture
- negation
- negativism
- nonconformity
- objection
- obstinacy
- obstruction
- obstructionism
- occlusion
- odds
- opponent
- oppositeness
- ostracism
- otherness
- parallelism
- perverseness
- perversity
- polarity
- polarization
- proportion
- protest
- reaction
- rebuff
- recalcitrance
- recalcitrancy
- recoil
- recusancy
- refractoriness
- refusal
- rejection
- relation
- reluctance
- repercussion
- repression
- repudiation
- repugnance
- repulse
- repulsion
- resistance
- restraint
- restriction
- retardation
- revolt
- rival
- secession
- separateness
- setback
- showdown
- simile
- similitude
- slowness
- squeeze
- stand
- stranglehold
- stricture
- stubbornness
- sulk
- sulkiness
- sullenness
- suppression
- underground
- unfriendliness
- unhappiness
- unlikeness
- unorthodoxy
- unwillingness
- variance
- variation
- variegation
- variety
- weighing
- withdrawal
