Insatiably thirsty (like someone with dropsy).(adjective)
Swollen with water.(adjective)
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Use "hydropic" in a sentence
"In the convulsive asthma these sweats do not occur; hence they may be distinguished; and might be called the hydropic asthma, and the epileptic asthma."
"* "Every lust is a kind of hydropic distemper, and the more we drink the more we shall thirst.""
"Milner R, Kitano Y, Oluyinka O, Flake AW, Adzick NS: Radiofrequency thermal ablation (RTA): A potential treatment for hydropic fetuses with a large chest mass."