conflict (EN)
noun, verb

noun “conflict”

sg. conflict, pl. conflicts or uncountable
  1. a situation where two or more groups or people strongly disagree or fight
    The conflict between the two neighbors over the property line has been going on for months.
  2. a difficult situation where different ideas, feelings, or desires oppose each other, making it hard to make a decision
    There was a conflict between wanting to stay home and needing to go to work.
  3. a problem that happens when two needs are different and cannot both be met at the same time
    She couldn't go to the concert because there was a conflict with her work shift.

verb “conflict”

conflict; he conflicts; past conflicted, part. conflicted; ger. conflicting
  1. to disagree or be different from someone or something else
    Her busy work schedule often conflicted with her desire to spend more time with her family.
  2. to happen at the same time as another event, causing a scheduling problem
    My dentist appointment conflicts with my work meeting, so I need to change one of them.