1
general::
Phrase(s): run out (of something)
Go to out (of something)., Phrase(s): run out (on someone)
to depart and leave someone behind. • My date ran out on me at the restaurant, and I had to pay the bill. • Her boyfriend ran out when she needed him the most.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. Become used up or exhausted, as in Our supplies have run out. [Late 1600s] 2. Compel to leave; see RUN OFF, def. 5. 3. Become void, expire, as in Our renter's insurance ran out last month. [c. 1300] Also see RUN OUT OF; RUN OUT ON.
American Heritage Idioms