Noun: tour de force
| Singular | tour de force |
| Plural | tours de force |
Sample Sentences
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Now orbiting Earth, Gravity Probe B is a technological tour de force.
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Much as I admire Wilson’s tour de force—I wish people would read it more and read about it less—my hackles have always risen at the entirely false suggestion that his book influenced mine. [1976, Richard Dawkins, The Selfish Gene, Kindle edition, OUP Oxford, published 2016, page 429:]
Etymology
Borrowed from French tour de force (“feat of strength”), circa 19th century. See: French Nouns '
tour de force'.