An indefatigable worker, Jose never leaves a job unfinished. Even when he was threatened, the civil rights leader still had indefatigable work ethics. Because my mother never slows down, everyone considers her to be indefatigable.

Indefatigable is a big word that means never giving up. The ant worked hard all day, showing an indefatigable spirit. The little squirrel had an indefatigable energy while playing in the park. The sunflower kept growing tall and strong, just like an indefatigable worker. The butterfly flew from flower to flower with indefatigable grace.

His indefatigable spirit helped him to cope with his illness. 2. Annie was an indefatigable campaigner for better community services. 3. She was indefatigable in her search for the truth.