net has 19 distinct synonyms spread across 9 of its 12 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 gross.
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 computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange
the excess of revenues over outlays in a given period of time (including depreciation and other non-cash expenses)
game equipment consisting of a strip of netting dividing the playing area in tennis or badminton
Synonyms, antonyms and the broader and narrower relations for net come from Princeton University’s WordNet. Full sources and licences.