One-up Definition

wŭnŭp
one-up, one-upping, one-ups
verb
To have or seize an advantage over.
Webster's New World
To keep one step ahead of (a competitor or opponent, for example).
American Heritage
One-up is defined as to try to have an advantage over someone.
An example of one-up is when you always feel the need to correct everyone around you to make yourself look smarter than them.
YourDictionary

(idiomatic) To outdo, to do something slightly better than a competitor's prior effort.

Every year the neighbors try to one-up each other with their holiday lights.
Wiktionary
Synonyms:
adjective
Having an advantage (over another)
Webster's New World
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noun
(video games) An additional life or an object that increases the player's number of chances or "lives" by one.
If you hit that block, you can get a one-up.
Wiktionary

(video games) An additional life or object that gives the player an extra chance to play.

If you hit that block, you can get a one up.
Wiktionary

Other Word Forms of One-up

Noun

Singular:
one-up
Plural:
one-ups

One-up Is Also Mentioned In

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