out on one's feet (English, adj)
expansion: out on one's feet
Senses:
glosses: Standing erect but not consciously aware of one's surroundings, or only minimally aware, and having little or no ability to control one's bodily actions, as a result of physical injury or exhaustion.
tags: idiomatic
glosses: Stupefied; dazed; nonfunctional.
tags: broadly
idiomatic
Forms: