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v. scowled, scowl·ing, scowls
To wrinkle or contract the brow as an expression of anger or disapproval. See Synonyms at frown.
To express (displeasure, for example) with a frowning facial expression.
A look of anger or frowning disapproval.
[Middle English scoulen, probably of Scandinavian origin.]
in a scowling manner