unprepossessing

US /ˌʌn.priː.pəˈzes.ɪŋ/
UK /ˌʌn.priː.pəˈzes.ɪŋ/
"unprepossessing" picture
1.

poco attraente, sgradevole

not attractive or appealing to the eye

:
The old house was rather unprepossessing from the outside.
La vecchia casa era piuttosto poco attraente dall'esterno.
Despite his unprepossessing appearance, he was a brilliant scientist.
Nonostante il suo aspetto poco attraente, era uno scienziato brillante.