tired (feeling that you want to rest, needing rest): I was really tired after so much walking.
exhausted (very tired): This long journey exhausted me.
weary (very tired): I need to rest my weary eyes after a long day at the computer.
spent formal (very tired and with no energy): After working two shifts back-to-back, she felt totally spent.
drained (very tired, especially because you used up all your energy): I feel drained, both physically and mentally.
bushed informal (extremely tired): I’m bushed. I think I should go to bed early.
worn out (extremely tired, especially because of physical exercise or hard work): I’m worn out after that hike, I really need some rest.
fatigued formal (exhausted): She was too fatigued to continue with the climb.
pooped informal (extremely tired): We were all really pooped by the end of the day.
dog-tired informal (extremely tired): I’m dog-tired after a long day in the office.
dead on your feet (extremely tired): I am so dead on my feet. It’s time to take a break.
on your last legs idiom (extremely tired): By the time I got home, I was on my last legs.
