What is another word for overtiredness?
Pronunciation: [ˌə͡ʊvətˈa͡ɪ͡ədnəs] (IPA) 
Overtiredness is a state of physical or mental exhaustion caused by prolonged activity or lack of adequate rest. In order to convey this feeling, there are a variety of synonyms that can be used. Some possible substitutions for overtiredness include fatigue, weariness, exhaustion, burnout, lethargy, enervation, debilitation, and languor. Each of these words has a slightly different connotation, but all imply a sense of extreme tiredness that makes it difficult to function properly. Whether you're writing a personal diary entry about feeling overtired, or crafting a more formal essay on the subject of sleep deprivation, having a range of synonyms at your disposal can help you communicate your meaning more precisely.
