unflattering

US /ʌnˈflæt̬.ɚ.ɪŋ/
UK /ʌnˈflæt̬.ɚ.ɪŋ/
"unflattering" picture
1.

not flattering; not enhancing or improving in appearance

:
The photograph was quite unflattering.
She made an unflattering remark about his new haircut.