1 : a struggle for power, property, etc.

[count]

• an armed conflict
• violent border conflicts
• a conflict between two gangs

[noncount]

• years of armed conflict
• recent violent conflict in the region
• conflict between (forces of) good and evil

2 : strong disagreement between people, groups, etc., that results in often angry argument

[noncount]

• Everyone in my family always tries to avoid conflict.
• There was inevitable conflict over what to name the group.

[count]

• They’re having serious conflicts over the budget.
• A few students are being trained to resolve conflicts between other students.

3 : a difference that prevents agreement : disagreement between ideas, feelings, etc.

[count]

• I don’t see any conflicts between the theories.
• exploring the character’s inner conflicts

 [noncount]

• You’ll need to resolve the conflict between your parent’s plans for you and your own ambitions.

4 [count] : a situation in which you are unable to do something because there is something else you have already agreed to do at that same time

• He has a conflict and can’t attend tomorrow’s meeting.
• a scheduling conflict