hatchet-faced
US /ˈhætʃ.ɪt.feɪst/
UK /ˈhætʃ.ɪt.feɪst/

1.
having a thin, sharp face, often with a pointed nose and chin, giving a severe or unpleasant appearance
:
•
The old woman had a hatchet-faced look that made her seem unapproachable.
•
His hatchet-faced expression suggested he was not pleased with the news.