Stradivari stra·di·vari uncommon noun 1. Italian violin maker who developed the modern violin and created violins of unequaled tonal quality (1644?-1737) SynonymsAntonio StradivariStradivariusAntonius Stradivarius Related words Word family Stradivarius Broader terms violin maker WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.