1. very interesting or exciting in a way that holds your attention completely
2. so convincing as to demand acceptance or action

Examples

• The documentary presented a compelling argument for renewable energy.
• Her compelling performance earned her an Oscar nomination.
• The mystery novel was so compelling that I read it in one sitting.
• The evidence against the defendant was compelling.
• He made a compelling case for increasing the school budget.
• The speaker’s compelling story moved the audience to tears.
• There is compelling research showing the benefits of exercise.