dark look
- glareFierce stare or brightness
- scowlAngry facial expression
- glowerStare with displeasure
- frownDisapproving facial expression
- stareProlonged fixed gaze
grimace · menacing · piercing · threatening · sullen · brooding · ominous · stern · hostile · cold · murderous · withering · daggers · disapproval · suspicious · shadowy · sinister · narrowed
emotional expression
dark lookbright smile
warm smile · friendly face · sunny disposition · loving gaze