1. [n]  a hostile meeting of opposing military forces in the course of a war; "Grant won a decisive victory in the battle of Chickamauga"; "he lost his romantic ideas about war when he got into a real engagement"
2. [n]  an open clash between two opposing groups (or individuals); "the harder the conflict the more glorious the triumph"--Thomas Paine; "police tried to control the battle between the pro- and anti-abortion mobs"
3. [n]  an incompatibility of dates or events; "he noticed a conflict in the dates of the two meetings"
4. [n]  a disagreement or argument about something important; "he had a dispute with his wife"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats"
5. [n]  opposition between two simultaneous but incompatible feelings; "he was immobilized by conflict and indecision"
6. [n]  opposition in a work of drama or fiction between characters or forces (especially an opposition that motivates the development of the plot); "this form of conflict is essential to Mann's writing"
7. [n]  a state of opposition between persons or ideas or interests; "his conflict of interest made him ineligible for the post"; "a conflict of loyalties"
8. [v]  go against, as of rules and laws; "He ran afould of the law"; "This behavior conflicts with our rules"
9. [v]  be in conflict; "The two proposals conflict!"

Conflict
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1. \Con"flict\, n. [L. conflictus a striking together, fr.
   confligere, -flictum, to strike together, to fight: cf. F.
   conflit, formerly also conflict. See {Conflict}, v.]
   1. A striking or dashing together; violent collision; as, a
      conflict of elements or waves.
   2. A strife for the mastery; hostile contest; battle;
      struggle; fighting.
            As soon as he [Atterbury] was himself again, he
            became eager for action and conflict. --Macaulay.
            An irrepressible conflict between opposing and
            enduring forces.                      --W. H.
                                                  Seward.
   {Conflict of laws}, that branch of jurisprudence which deals
      with individual litigation claimed to be subject to the
      conflicting laws of two or more states or nations; --
      often used as synonymous with {Private international law}.
   Syn: Contest; collision; struggle; combat; strife;
        contention; battle; fight; encounter. See {Contest}.
   

2. \Con*flict"\, v. i. [imp. & p. p. {Conflicted}; p. pr.
   & vb. n. {Conflicting}.] [L. conflictus, p. p. of confligere
   to conflict (cf. conflictare); con- + fligere to strike; cf.
   Gr. fli`bein, qli`bein, to press, L. flagrum whip.]
   1. To strike or dash together; to meet in violent collision;
      to collide. --Shak.
            Fire and water conflicting together.  --Bacon.
   2. To maintain a conflict; to contend; to engage in strife or
      opposition; to struggle.
            A man would be content to . . . conflict with great
            difficulties, in hopes of a mighty reward. --Abp.
                                                  Tillotson.
   3. To be in opposition; to be contradictory.
            The laws of the United States and of the individual
            States may, in some cases, conflict with each other.
                                                  --Wheaton.
   Syn: To fight; contend; contest; resist; struggle; combat;
        strive; battle.