redoubtable

• I don't like the redoubtable Guderian any more than you do, King. —  The Many-Coloured Land -- Julian May
• The Half-way House to Love The rival you have been given appears to me to be all the more redoubtable, as he is the sort of a man I have been advising you to be. —  Life, Letters, and Epicurean Philosophy of Ninon de L'Enclos, the Celebrated Beauty of the Seventeenth Century
• Those who might have been redoubtable, were obliged to make themselves ridiculous before being permitted to enjoy our society But what finally led me to doubt the truth of my principles, is they did not always guard me from the dangers I wished to avoid. —  Life, Letters, and Epicurean Philosophy of Ninon de L'Enclos, the Celebrated Beauty of the Seventeenth Century
• The recent spate of pirate attacks off the coast of Somalia is pretty redoubtable, a 21st century return to the Barbary Coast's buccaneer glory days. —  democracyarsenal.org
• No one would have pointed him out in a group of gentlemen as the redoubtable mayor of New York City, who invented surprises, and, with a retinue of roughs, precipitated trouble in conventions. —  A Political History of the State of New York, Volumes 1-3

Roget's II: The New Thesaurus

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