underinflated

American  

[uhn-der-in-flayt-id] / ˌʌn dər ɪnˈfleɪt ɪd /

adjective

1. (of a tire, balloon, etc.) not having been inflated to a sufficient pressure; not containing enough air or gas.

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Example Sentences

The car he was driving was found to be overloaded and one of the tyres was underinflated, Wiltshire Police said.

From BBC

Over and over, he corralled the game’s underinflated ball and then sent it away again with his favorite soccer shoes: worn plastic sandals long derided as the sneaker of the poor, but which he and his friends wear as a badge of honor.

From New York Times

The special teams footballs used in Sunday’s game between Kansas City and New England were reportedly underinflated — not by the Patriots, this time — an ironic throwback to the Deflategate scandal that captivated the football world for parts of three seasons and led to penalties against the team and quarterback Tom Brady.

From Seattle Times

The special teams footballs used in Sunday’s game between Kansas City and New England were reportedly underinflated - not by the Patriots, this time - an ironic throwback to the Deflategate scandal that captivated the football world for parts of three seasons and led to penalties against the team and quarterback Tom Brady.

From Washington Times

While it seems counterintuitive, underinflated tires in extreme heat can be more dangerous than overinflated tires because softer tires make more surface contact with hot pavement, experts say.

From Scientific American