uncultivated has 4 distinct synonyms spread across 2 of its 3 senses. 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. Its one recorded opposite is cultivated.
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.
(of land or fields) not prepared for raising crops
“uncultivated land”
(of persons) lacking art or knowledge
Synonyms, antonyms and the broader and narrower relations for uncultivated come from Princeton University’s WordNet. Full sources and licences.