swell Antonyms

subpar rotten ripple reefed poor pathetic paltry ordinary off obnoxious middling mediocre lower low second-class second-rate shabby substandard unsatisfactory taper off low-grade summate wretched vile trashy trape terrible taper sozzle shrink lousy lessen deficient decrescendo decrease decline creepy contract condense concentrate compress bad awful atrocious appalling deflate diminish disgusting lame insignificant