distend

verb

Swell or cause to swell by pressure from inside.

SYNONYMS

ballooningbloatbloatedblow up/outblown upbulbousbulgebulgingdilatedilatedengorgedenlargeenlargedexpandexpandedextendedinflateinflatedintumesceprominentprotuberantpuff out/uppuffed uppuffypumped up/outsticking outstretchedswellswollentumefytumescenttumidturgescentventricose