inosservato significa in inglese

unnoticed▼(not noticed)
adjective
[UK: ˌʌn.ˈnəʊ.tɪst] [US: ˌʌnˈno.ʊ.tɪst]

unobserved▼(Not seen or observed)
adjective
[UK: ˌʌ.nəb.ˈzɜːvd] [US: ˌʌ.nəb.ˈzɝːvd]