underinflated

/ˌʌndərɪnˈfleɪtɪd/
adjective
  1. Filled with too little air, especially referring to tires.
    • The mechanic warned me that the front tires were underinflated.
    • Driving with underinflated tires can reduce your gas mileage.
    • An underinflated basketball doesn't bounce as well.
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What does "underinflated" mean? | whatsthatwordmean | whatsthatwordmean