one-up

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one-up

(wŭn′ŭp′)
tr.v. one-upped, one-up·ping, one-ups Informal
To keep one step ahead of (a competitor or opponent, for example).

one-up

adj
informal having or having scored an advantage or lead over someone or something

one′ up′


adj.
having gained an advantage, esp. over a rival.
[1920]

one′-up′



v.t. -upped, -up•ping.
to gain an advantage over; be a move, step, etc., ahead of: to one-up the competition.
[1960–65]
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one-up

verb
Informal. To outmaneuver (an opponent), especially with the aid of some extra resource:
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References in periodicals archive ?
Lacob even addressed last year's gutting defeat and explained his team's chances of one-upping their inter-conference rivals.
The two platforms have been in competition each one-upping one another as much as possible.
The bit where Square can't get through Triangle's door is slapstick physical comedy at its best, and the book's entire premise taps into the sense of mischief, one-upping and questions of trust that occur on playgrounds daily.
In the battle of uber-luxury towers, where developers are constantly one-upping each other on price per square foot and eye-popping sales prices, one has risen above the rest to claim the top spot.
There was Pharrell -- with the hat -- crooning his hit ''Happy''; I ggy Azalea rapping and posturing as she breezed through ''Fancy''; Jessie J and Ariana Grande playfully one-upping each other in the power-vocal showcase smash ''Bang Bang''; and Meghan Trainor serving sass on what was arguably the song of the year, ''All About That Bass.