1. Synonyms for Chubbiest include fleshiest, plumpest, podgiest, portliest, rotundest, roundest, tubbiest, buxomest, dumpiest and fattest

2. Antonyms for Boniest include plumpest, chubbiest, fattest, grossest, portliest, rotundest, tubbiest, beefiest, heaviest and thickest