To exhaust a personal or animal.
Running errands all day really knocked him out.
Additional definitions for 'knock out':
|knock out||To strike or bump someone or something out.|
|knock out||To render someone unconscious, as by a blow to the head.|
|knock out||To put someone to sleep.|
|knock out||To complete, especially in haste; knock off.|
Find a translation for the knock out phrase in other languages:
Select another language: