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exhausted. (*Typically: be ~; get ~.) I'm really done in! I think I'll go to bed. After all that lifting, Gerald was done in and breathing hard.
too tired to do any more He looked completely done in when he arrived at work.
Exhausted, very tired, as in After that hike I felt absolutely done in. [Colloquial; early 1900s] Also see done for, def. 1.
Informal Totally worn out; exhausted.