Drained of energy or effectiveness; extremely tired; completely exhausted. Synonyms: dog-tired, exhausted, fatigued, played out, spent, washed-out, worn-out, worn out. "He went to bed dog-tired" , "Was fagged and sweaty" , "The trembling of his played out limbs" , "Felt completely washed-out" , "Only worn-out horses and cattle" , "You look worn out"