western has 3 distinct synonyms spread across 3 of its 6 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 eastern.
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.
relating to or characteristic of the western parts of the world or the West as opposed to the eastern or oriental parts
“the western world”
of or characteristic of regions of the United States west of the Mississippi River
“a Western ranch”
of wind; from the west
a film about life in the western United States during the period of exploration and development
1 of the 6 recorded senses carries no synonym, antonym or related term, so it is not shown above. Every sense, with its definition and examples, is on the full entry for western.
Synonyms, antonyms and the broader and narrower relations for western come from Princeton University’s WordNet. Full sources and licences.