Entry 2 senses Webster, 1913 furor · IPA /ˈfjʊɹˌoɹ/ 01 n. an interest followed with exaggerated zeal; a fad. 1. an interest followed with exaggerated zeal; a fad. 2. a sudden outburst (as of protest). Syn. fad, craze, furore, cult, rage. — Syn. -- uproar, furore.