reticente significa in inglese

closemouthed [closemoutheds]▼(reticent, secretive or uncommunicative)
adjective
[UK: klˈəʊsmaʊðd] [US: klˈoʊsmaʊðd]

reticent▼(reserved)
adjective
[UK: ˈre.tɪsnt] [US: ˈre.tə.sənt]

tight-lipped▼(unwilling to divulge information)
adjective
[UK: taɪt ˈlɪpt] [US: taɪt ˈlɪpt]