exlode - {v. phr.}
1. To think of reasons for not being to blame; think yourself not at
fault.
* /John excused himself for his low grades on the ground that the teacher
didn't like him./
2. To ask to be excused after doing something impolite.
* /John excused himself for his tardiness, saying his watch was wrong./
3. To ask permission to
leave a group or place.
* /The committee meeting lasted so
long that Mr. Wilkins excused himself to keep an appointment./
* /John had to go to the dentist's, so he excused himself and left the classroom./