Scowl

Chamber's Twientieth Century Dictionary · 1908 · p. 94

skowl, v.i. to wrinkle the brows in displeasure: to look sour or angry: to look gloomy.— n. the wrinkling of the brows when displeased.— p.adj. Scow′ling .— adv. Scow′lingly . [Scand., Dan. skule , to scowl; Low Ger. schulen , to look slyly.]