tiredI'm so tired, I need a nap.
exhaustedI'm too exhausted to take the dog for a walk.
worn outI was completely worn out.
drainedI'd worked a twelve-hour day and was absolutely drained.
wiped outinformalI've been up since 4 a.m. and am just wiped out.
dog-tiredinformalI've been on my feet all day and I'm dog-tired.
knackeredUKslangAfter a long day of shopping, I'm just knackered.
stonkeredUKslangI was absolutely stonkered after that long run.
shatteredUKinformalMoving house has left me shattered.
drowsyThe heat had made me drowsy.
sleepyI'm feeling a little sleepy - I think I'll go to bed.
overtiredThe baby is overtired and will cry for the rest of the night.