Definition of "conflict"

conflict

/ˈkɒn.flɪkt/

noun
countable and uncountable, plural conflicts
1. A clash or disagreement, often violent, between two or more opposing groups or individuals.
  Quotations
  One particularly damaging, but often ignored, effect of conflict on education is the proliferation of attacks on schools […] as children, teachers or school buildings become the targets of attacks. Parents fear sending their children to school. Girls are particularly vulnerable to sexual violence.
  2013 July 19, Mark Tran, “Denied an education by war”, in The Guardian Weekly, volume 189, number 6, page 1
2. An incompatibility, as of two things that cannot be simultaneously fulfilled.
verb
third-person singular simple present conflicts, present participle conflicting, simple past and past participle conflicted
1. (intransitive) To be at odds (with); to disagree or be incompatible
  Quotations
  [T. E.] Lawrence said that in the end he felt himself to be fighting not for the imperial British but for the rebellious Arabs. All too often he conflicted with British bureaucratic fustiness.
  2014 March 2, Jan Morris, “Lawrence in Arabia: War, Deceit, Imperial Folly and the Making of the Modern Middle East by Scott Anderson, review: A skilful account of T. E. Lawrence and his role in the painful birth of an emerging Middle East ”, in The Daily Telegraph (Review)‎
2. (intransitive) To overlap (with), as in a schedule.