run out on somebody phrasal verb (see also run)
to leave someone when they are in a difficult situation – used to show disapproval:
He ran out on her when she became pregnant.

[TahlilGaran] Dictionary of Contemporary English ▲

run out on
run out on (someone)
to leave or stop supporting someone who depends on you.
Bob ran out on his wife and family.

[TahlilGaran] English Idioms Dictionary ▲

run out on
v. phr. To leave someone in the lurch; abandon another.
When Ted ran out on Delores, she got so angry that she sued him for divorce.

[TahlilGaran] English Idioms Dictionary ▲

run out on someone
run out on (someone)
to leave or stop supporting someone who depends on you.
Bob ran out on his wife and family.

[TahlilGaran] English Idioms Dictionary ▲