WordNet records no synonym and no antonym for minamata disease. It is the only member of its synset, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
a form of mercury poisoning among people who ate fish from mercury-contaminated waters of Minamata Bay off Japan in the 1950s; characterized by severe neurological degeneration
Synonyms, antonyms and the broader and narrower relations for minamata disease come from Princeton University’s WordNet. Full sources and licences.