| Word | Definitions | Synonyms |
|---|---|---|
| fatigued | (adjective) drained of energy or effectiveness; extremely tired; completely exhausted | Synonyms: dog-tired, exhausted, fagged, gone, played out, spent, washed-out, worn-out, worn out |
| indefatigable | (adjective) showing sustained enthusiastic action with unflagging vitality | Synonyms: tireless, unflagging, unwearying |