1. (n.) A striking or dashing together; violent collision; as, a conflict of elements or waves.

2. (n.) A strife for the mastery; hostile contest; battle; struggle; fighting.

3. (v. i.) To strike or dash together; to meet in violent collision; to collide.

4. (v. i.) To maintain a conflict; to contend; to engage in strife or opposition; to struggle.

5. (v. i.) To be in opposition; to be contradictory.

Discordia Eris Kilkenny cats action aerial combat affray agree to disagree altercation ambivalence ambivalence of impulse antagonism antagonize antipathy antithesis argument argumentation armored combat backlash bad blood battle battle royal be antipathetic be at cross-purposes be at variance be distinct be distinguished be inimical be opposed to beat against belligerence bickering brawl break break off brush bullfight cat-and-dog life clash clash of arms clash with clashing cockfight collide collision combat competition concours conflict with confrontation confutation confute contention contentiousness contest contestation contradict contradiction contradistinction contraindication contrapose contraposition contrariety contrariness contrast contrast with contravene controversy controvert counter counteract counteraction counterattack counterbalance countercheck counterpoise counterpose counterposition countervail counterwork counterworking crankiness cross cross-purposes crotchetiness cut and thrust debate decompensation depart from despitefulness deviate from differ differ in opinion difference disaccord disaccordance disaffinity disagree disagree with disagreement discord discordance discordancy discrepancy disharmony disparity disputation dispute dissension dissent dissidence dissonance disturb disunion disunity divaricate from diverge diverge from divergence diversity dogfight embroilment emotional shock emulation engagement enmity exchange of blows external frustration faction feud fight fighting fire fight fracas fractiousness fray friction frustration go against go counter to grate ground combat hand-to-hand combat hand-to-hand fight hate hatred hit a clinker hold opposite views hostility house-to-house combat inaccordance incompatibility incompatibleness inconsistency inequality inharmoniousness inharmony inimicalness interfere interfere with interference jangle jar jar with jarring jostle juxtapose in opposition kick litigation lock horns logomachy malevolence malice malignity meet meet head-on meeting mental shock militate against mischief mismatch mismate misunderstand one another naval combat negate negation negativeness nonconformity noncooperation not accord with not get along not square with object obstinacy offset open conflict oppose oppositeness opposition opposure oppugn oppugnance oppugnancy paper war passage of arms perverseness perversity pitched battle play at cross-purposes polarity polemic psychological stress pull different ways quarrel quarreling quarrelsomeness reaction recalcitrance recoil refractoriness rencontre renitency repercussion repugnance resist resistance revolt rivalry row rub rumble run against run counter to running fight scramble scrapping scrimmage scuffle set off shoving match showdown skirmish spat spite spitefulness squabble squabbling stand apart stand over against stand-up fight strained relations street fight stress strife striving