Definify.com
Definition 2024
running_on_empty
run on empty
English
Verb
run on empty (third-person singular simple present runs on empty, present participle running on empty, simple past ran on empty, past participle run on empty)
- (idiomatic) Losing enthusiasm or willingness, lacking energy.
- His interest in the program had been running on empty for a while. It's likely the program will be canceled