minnesota multiphasic personality inventory 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.
a self-report personality inventory consisting of 550 items that describe feelings or actions which the person is asked to agree with or disagree with; many scales estimating traits and qualities of personality have been developed using MMPI items
Synonyms, antonyms and the broader and narrower relations for minnesota multiphasic personality inventory come from Princeton University’s WordNet. Full sources and licences.