conflict

1. conflict (noun) — sense 1

Definition: A clash or disagreement, often violent, between two or more opposing groups or individuals.

Example: The conflict between the government and the rebels began three years ago.

2. conflict (noun) — sense 2

Definition: An incompatibility, as of two things that cannot be simultaneously fulfilled.

Example: I wanted to attend the meeting but there's a conflict in my schedule that day.

3. conflict (noun) — sense 3

Definition: in fiction/literature, opposing forces that create uncertainty as to whether the character(s) will achieve their goal(s).

4. conflict (verb) — sense 4

Definition: To be at odds (with); to disagree or be incompatible

Example: [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.

5. conflict (verb) — sense 5

Definition: To overlap (with), as in a schedule.

Example: Your conference call conflicts with my older one: please reschedule.