• A sportsman to his fingertips, the redoubtable John Joe has left many of us with some tremendous memories of his hurling and footballing feats.
• Sure, they are redoubtable opponents, but brawny, one-dimensional teams deficient in natural ability will not seriously challenge the world's best.
• ‘If that was the case then they clearly reckoned without Mrs Hiley, a redoubtable lady who has stuck to her guns throughout,’ he said.

Synonyms