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Pronunciation:  an'tagu`nizum

WordNet Dictionary
  1. [n]  (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure
  2. [n]  an actively expressed feeling of dislike and hostility
  3. [n]  the relation between opposing principles or forces or factors; "the inherent antagonism of capitalism and socialism"
  4. [n]  a state of deep-seated ill-will

ANTAGONISM is a 10 letter word that starts with A.


 Synonyms: enmity, hostility
 See Also: dislike, enmity, hindrance, hostility, ill will, interference, latent hostility, oppositeness, opposition, state, state of war, suspicion, tension, war



Webster's 1913 Dictionary
\An*tag"o*nism\, n. [Gr. ?, fr. ? to struggle
against; ? against + ? to contend or struggle, ? contest: cf.
F. antagonisme. See {Agony}.]
Opposition of action; counteraction or contrariety of things
or principles.

Note: We speak of antagonism between two things, to or
      against a thing, and sometimes with a thing.

Biology Dictionary
 Definition: An interaction between chemicals in which one partially or completely inhibits the effect of the other (e.g., a drug that blocks a hormone's receptor site would be a hormone antagonist).
Thesaurus Terms
 Related Terms: abhorrence, abomination, aggression, aggressiveness, allergy, animosity, animus, annulling, antipathy, antithesis, argumentation, aversion, backlash, bad blood, bellicism, bellicosity, belligerence, belligerency, chauvinism, clash, clashing, cold sweat, collision, combativeness, competition, con, conflict, confrontation, confutation, contention, contentiousness, contradiction, contradistinction, contraindication, contraposition, contrariety, contrariness, contrast, controversy, counteraction, counterposition, counterworking, crankiness, creeping flesh, cross-purposes, crotchetiness, despitefulness, difference, disaccord, disaccordance, disagreement, discord, discordance, discordancy, discrepancy, disgust, disharmony, disparity, dissension, dissent, dissidence, dissonance, disunion, disunity, divergence, diversity, enmity, faction, ferocity, fierceness, fight, fractiousness, friction, hate, hatred, horror, hostility, inaccordance, incongruity, inconsistency, inequality, inimicalness, interference, jarring, jingoism, kick, loathing, malevolence, malice, malignity, martialism, militancy, militarism, mortal horror, nausea, negation, negativeness, nonconformity, noncooperation, nullification, obstinacy, oppositeness, opposition, opposure, oppugnance, oppugnancy, perverseness, perversity, polarity, pugnaciousness, pugnacity, quarrelsomeness, rancor, reaction, recalcitrance, recoil, refractoriness, renitency, repercussion, repugnance, repulsion, resistance, revolt, rivalry, saber rattling, showdown, shuddering, spite, spitefulness, strife, swimming upstream, truculence, uncooperativeness, unfriendliness, unharmoniousness, unpeacefulness, variance, vying, warmongering, warpath, withstanding