Dead tired
Weak and dead tired are semantically related. in exhausted topic. In some cases you can use "Weak" instead an adjective phrase "Dead tired", when it comes to topics like extremely tired.
Weak
Weak adjective - Lacking bodily strength.
Mutual synonyms
Cite this Source
Weak and Dead tired. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/dead_tired/weak
Dead tired & Weak. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/dead_tired/weak>.
Weak or Dead tired. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/dead_tired/weak.
Google Ngram Viewer shows how "dead tired" and "weak" have occurred on timeline