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On June 1, protesters were aggressively pushed back to install mesh riot barriers, sealing off about 100 acres of Washington.—Neil Flanagan, The Atlantic, 2 May 2026 Questions about whether security was tight enough or should have sealed off the entire hotel will linger.—Rob Crilly, The Washington Examiner, 1 May 2026 Disinformation plays a particularly important role in the context of social media communities, where people are exposed to large amounts of disinformation and are sealed off from other sources that might challenge their worldview.—James Piazza, Twin Cities, 30 Apr. 2026 Karl-Anthony Towns posted a triple-double on Saturday night as Atlanta sealed off Jalen Brunson.—ABC News, 29 Apr. 2026 See All Example Sentences for seal off