verb (used with object), outdid, outdone, outdoing.
to surpass in execution or performance: The cook outdid himself last night.

1300–50; Middle English; see out-, do1

See excel.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
outdo (ˌaʊtˈduː)
vb , -does, -doing, -did, -done
(tr) to surpass or exceed in performance or execution

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
His methodology showed him not only how the professor graded but also how he
  could outdo each of the rest of us.
Biomedical breakthroughs rarely outdo nature itself-despite our ever-increasing
  knowledge of new materials and processes.
But they do outdo human dads on one count-by giving birth.
Their preparation became a race, in which each side tried to outdo the other.
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