| English adjective: indefatigable | |||
| 1. | indefatigable showing sustained enthusiastic action with unflagging vitality | ||
| Samples | An indefatigable advocate of equal rights. A tireless worker. Unflagging pursuit of excellence. | ||
| Synonyms | tireless, unflagging, unwearying | ||
| Similar | energetic | ||
| Antonyms | lethargic, unenrgetic | ||