variants or less commonly dog tired
informal
: very tired : exhausted
We were all tired, dog-tired, until an event that galvanized everybody into life.Oliver Sacks
Even though he was dog tired after long days in the mines, Dad would still pitch batting practice to me in the backyard when he got home from work …Mickey Mantle

Word History

First Known Use

1770, in the meaning defined above

Time Traveler
The first known use of dog-tired was in 1770

Dictionary Entries Near dog-tired

Cite this Entry

“Dog-tired.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dog-tired. Accessed 30 Jan. 2023.

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