Entry 1 sense Webster, 1913 Gusto /gŭs'-tōˌ/ · Gus·to · IPA /ˈɡʌstoʊ/ 01 n. Nice or keen appreciation or enjoyment; relish; taste; fancy; as, he ate it with gusto. 1. Nice or keen appreciation or enjoyment; relish; taste; fancy; as, he ate it with gusto.