FluentPlex

one up

verb
  1. To outdo, to perform something slightly better than a competitor's prior effort. · Every year the neighbors try to one-up each other with their holiday lights.
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Let us shut this one up.” They put the stone back in its place; the abbé sprinkled a little dust over it to conceal the traces of its having been removed, rubbed his foot well on it to make it assume the same appearance as the other, and then, going towards his bed, he removed it from the spot it stood in.
The Count of Monte Cristo, p. 158 · C1
The man drew out paper and tobacco and twirled the one up in the other with surprising dexterity.
The Hound of the Baskervilles, p. 8 · C1

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.