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Synonyms for Intumescent (same or very similar meaning)

WordNet sense 1 (abnormally distended especially by fluids or gas):
bloated, puffy, swollen, tumescent, tumid, turgid, distended, puffed

WordNet sense 2 (not in or exhibiting good health in body or mind):
unhealthy


From the ODE community, based on WordNetadd/edit