simple past tense and past participle of exhaust
"The team was exhausted after working eighteen-hour shifts without a break."
In plain English: To exhaust means to use up all of someone's energy so they have nothing left.
"The long hike left him exhausted and ready to sleep immediately."
drained of energy or effectiveness; extremely tired; completely exhausted
"the day's shopping left her exhausted"
"he went to bed dog-tired"
"was fagged and sweaty"
"the trembling of his played out limbs"
"felt completely washed-out"
"only worn-out horses and cattle"
"you look worn out"
Very tired; in a state of exhaustion.
"After climbing the steep mountain trail, she was completely exhausted and could barely stand up."
In plain English: Exhausted means completely drained of energy and unable to do anything else because you are so tired.
"After hiking all day, I was too exhausted to even lift my bag."
The word exhausted comes from combining the verb exhaust with the past tense suffix -ed. It entered English to describe a state of being completely drained of energy or strength.