We have no meanings for "become rounder" in our records yet.
1 He had grown into himself, physically, too, his gangling frame had become rounder , and his movements less agitated.
2 Our faces had become rounder , our cheeks had filled out, our ribs had disappeared, and our tummies had lost their bloatedness.
3 And as he rolled the dough, it became rounder and rounder, until it was ball-like.
4 Peggy's round eyes became rounder .
5 Under the soft lamplight, Tonino's eyes became brighter as he ate, and his dirty, drawn-looking cheeks became rounder and pinker.
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