tubbiness

/ˈtʌbinəs/
noun
  1. The quality or state of being tubby; plumpness or roundness.
    • His tubbiness was due to a love of rich desserts.
    • The cartoon character's tubbiness added to its charm.
    • The puppy's tubbiness made it extra cuddly.
Antonyms
What does "tubbiness" mean? | whatsthatwordmean | whatsthatwordmean