negation (n.)

• abnegation
• abolishment
• abolition
• absence
• annihilation
• annulment
• antagonism
• argumentation
• challenge
• choking
• conflict
• contention
• contradiction
• contravention
• controversy
• counteraction
• crosscurrent
• crossing
• declension
• declination
• denial
• deprivation
• deracination
• difference
• disagreement
• disclaimer
• discord
• discordance
• discrepancy
• disharmony
• disobedience
• disparity
• disproof
• dissension
• dissent
• dissidence
• dissonance
• disunion
• disunity
• divergence
• diversity
• elimination
• emptiness
• eradication
• explosion
• expose
• exposure
• extermination
• extinction
• extirpation
• faction
• inequality
• invalidation
• liquidation
• nay
• negative
• negativeness
• negativity
• nihility
• nix
• no
• nonacceptance
• nonbeing
• noncompliance
• nonentity
• nonexistence
• nonobservance
• nonoccurrence
• nothingness
• nullification
• nullity
• opposition
• purge
• rebuttal
• recantation
• refusal
• rejection
• repudiation
• repugnance
• resistance
• retention
• stifling
• strangulation
• suffocation
• suppression
• traversal
• turndown
• undercurrent
• unreality
• unwillingness
• vacancy
• vacuity
• vacuum
• variance
• void
• voiding
• withholding