seal off

verb

sealed off; sealing off; seals off

transitive verb

: to close tightly

Examples of seal off in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This Broncos front has long developed the mobility and depth to buoy an outside-zone-heavy attack — a concept that requires blockers to seal off defenders at an angle, allowing a back to bounce through outside holes. Luca Evans, Denver Post, 4 Aug. 2025 Investing time to seal off entry points around the home is critical. Daniel Fusch, USA Today, 29 July 2025 The existence of 23,000-year-old footprints could only mean that people were already living in what’s now New Mexico before the ice sheets sealed off the southern half of the continent from the rest of the world for the next few thousand years. ArsTechnica, 18 June 2025 Agents in fatigues leapt from armored trucks, sealing off nearby streets and diverting traffic. Agustina Vergara Cid, Oc Register, 13 July 2025 See All Example Sentences for seal off

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of seal off was in 1931

Browse Nearby Words

Cite this Entry

“Seal off.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seal%20off. Accessed 7 Aug. 2025.

Kids Definition

seal off

verb
: to close tightly
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!