compellingexcuse

noun
UK /kəmˈpɛlɪŋ ɪkˈskjuːz/
US /kəmˈpɛlɪŋ ɪkˈskjuz/

A very strong reason that makes people believe you.

Her compelling excuse for being late was that the bus broke down.


OTHER MEANINGS

2. A reason that forces someone to accept your story.

He gave a compelling excuse that no one could argue with.

3. An explanation that feels urgent and hard to ignore.

The compelling excuse made the teacher let him retake the test.

4. A believable reason used to avoid blame.

She needed a compelling excuse for missing the meeting.