<p><strong>Verb</strong></p><ul><li>(used without object) To contract the brow, as in displeasure or deep thought; scowl.</li><li>To look displeased; have an angry look.</li><li>To view with disapproval; look disapprovingly (usually followed by on or upon): to frown upon a scheme.</li></ul><p><strong>Noun</strong></p><ul><li>A frowning look; scowl.</li><li>Any expression or show of disapproval: a tax bill that received Congressional frowns.</li></ul>