"Utter exhaustion" means being completely and extremely tired or fatigued.
Sentences with «utter exhaustion»
Not just attachment parents... and every mother goes through stages of utter exhaustion and confusion over what she should do to get more sleep. (themilkmeg.com)
The deadlines are bearing down on you, and it's very common for people to experience utter exhaustion at the end. (shmuplations.com)
At the end of one particularly grueling climb through a moonscapelike area Darwin called the «craterized district» of San Cristbal, we collapsed in utter exhaustion, muscles quivering, and sweat pouring off our hands and faces. (scientificamerican.com)