waldheim has 1 distinct synonym spread across 1 of its 1 sense. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
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.
Austrian diplomat who was Secretary General of the United Nations from 1972 to 1981; in 1986 he was elected president of Austria in spite of worldwide allegations that he had direct knowledge of Nazi atrocities during World War II (born in 1918)
Synonyms, antonyms and the broader and narrower relations for waldheim come from Princeton University’s WordNet. Full sources and licences.