west has 10 distinct synonyms spread across 6 of its 10 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 east.
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.
the cardinal compass point that is a 270 degrees
the region of the United States lying to the west of the Mississippi River
the direction corresponding to the westward cardinal compass point
British writer (born in Ireland) (1892-1983)
English painter (born in America) who became the second president of the Royal Academy (1738-1820)
a location in the western part of a country, region, or city
situated in or facing or moving toward the west
1 of the 10 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 west.
Synonyms, antonyms and the broader and narrower relations for west come from Princeton University’s WordNet. Full sources and licences.