Negation

Noun

 * 1)  The act of negating something.
 * 2)  A denial or contradiction.
 * 3)  A proposition that is true if and only if another one is false; a proposition resulting from the application to another proposition of the logical operation "not".

Related terms

 * negate
 * negative
 * negativeness
 * negativism
 * negativity

Thesaurus
abnegation, abolishment, abolition, absence, annihilation, annulment, antagonism, argumentation, bucking, challenge, choking, choking off, clashing, conflict, contention, contradiction, contraposition, contravention, contraversion, controversy, counteraction, counterworking, crosscurrent, crossing, declension, declination, declinature, declining, denial, deprivation, deracination, difference, disaccord, disaccordance, disagreement, disallowance, disclaimer, disclamation, disconfirmation, discord, discordance, discordancy, discrepancy, disharmony, disobedience, disparity, disproof, disproval, disproving, dissension, dissent, dissidence, dissonance, disunion, disunity, divergence, diversity, elimination, emptiness, eradication, explosion, expose, exposure, extermination, extinction, extinguishment, extirpation, faction, gainsaying, head wind, holding back, impugnation, impugnment, inaccordance, inequality, invalidation, jarring, liquidation, nay, negative, negative answer, negativeness, negativity, nihility, nix, no, nonacceptance, nonbeing, noncompliance, nonconsent, nonentity, nonexistence, nonobservance, nonoccurrence, nonreality, nonsubsistence, not-being, nothingness, nullification, nullity, opposing, opposition, opposure, oppugnancy, oppugnation, purge, rebutment, rebuttal, recantation, redargution, reductio ad absurdum, refusal, rejection, repudiation, repugnance, resistance, retention, rooting out, silencing, snuffing out, standing against, stifling, strangulation, suffocation, suppression, thumbs-down, traversal, turndown, unactuality, undercurrent, unharmoniousness, unreality, unwillingness, uprooting, vacancy, vacuity, vacuum, variance, void, voiding, withholding