To come upon or against; meet with; especially, to meet casually, unexpectedly, reluctantly, or the like.To meet antagonistically; engage in conflict of any kind with; contend with; make an attack upon.To oppose; oppugn.To befall; betide.Synonyms To confront, struggle with, contend against.To meet; come together; come into contact or collision.To meet in opposition or conflict; come together in combat; contend; fight.n. A meeting, particularly a sudden or accidental meeting, of two or more persons or bodies of any kind; a coming together or in contact.n. Specifically In physics, the coming within the sphere of one another's action of the rapidly moving molecules of a gaseous body.n. A meeting in opposition or conflict of any kind; a conflict; a battle; specifically, a contest between individuals or a small number of men, or an accidental meeting and fighting of detachments.n. Manner of encountering; mode of accost or address; behavior in intercourse.n. Synonyms Encounter, Rencounter, Skirmish, Brush, colision, affair. As conflicts in war these are shorter, with fewer engaged, and of less importance, than those compared under battle. An encounter is often an accidental meeting, resulting in some conflict, but not suffered to grow into a general engagement. Rencounter is the same thing, expressed by a term less common. A skirmish is an irregular or desultory contest between parts of armies, as scouting parties or skirmish-lines, not generally resulting in battle. A brush is short and sharp, perhaps engaging the whole of some force for a time, but not being pushed into a long or hard-fought struggle. See strife.