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.
Federal officials plan to seal off the border in a remote stretch of desert where endangered bighorn sheep have long crossed between Mexico and California. Lila Seidman, Los Angeles Times, 1 Feb. 2026 Sure, drivers will have to adjust its comfortable Recaro seats manually, as well as hold the window switch to seal off the elements, but this is all in the name of minimizing electronics and overall complexity. Peter Nelson, Forbes.com, 28 Jan. 2026 Unlike Earth, however, Europa's ocean is deprived of oxygen and sealed off from sunlight, ruling out photosynthesis and requiring any potential life to rely on chemical energy instead. Sharmila Kuthunur, Space.com, 23 Jan. 2026 Similar demonstrations were held elsewhere, including in Bern, where a protest was broken up as police sealed off the city center. Emma Bussey, FOXNews.com, 21 Jan. 2026 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 11 Feb. 2026.

Kids Definition

seal off

verb
: to close tightly
Last Updated: - Updated example sentences
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