Synonyms for Swell up:

• v.

  •change (verb)
  • tumesce,
  • tumefy,
  • intumesce.
  •inflate (verb)
  • magnify,
  • spread,
  • distend,
  • augment,
  • amplify,
  • boost,
  • build up,
  • stretch,
  • exaggerate,
  • aerate,
  • exalt,
  • dilate,
  • aggrandize,
  • beef up,
  • raise,
  • pad,
  • bloat,
  • enlarge,
  • cram,
  • escalate,
  • pyramid,
  • widen.

• Other synonyms:

  •Other relevant words:
  • puff out,
  • billow,
  • bulge,
  • fatten,
  • grow,
  • belly,
  • wax,
  • blow up,
  • swell out,
  • rise,
  • increase,
  • mushroom.

Antonyms for Swell up:

• v.

  • inflate
    contract, shrink, deflate, let air out, compress.

Hypernym for Swell up:

• v.

  • change
    puff out, belly, blow up, vesicate, puff, belly out, puff up, blister, bloat, distend.

Hyponym for Swell up:

• v.

  • change
    expand.