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

That’s the same principle behind the tape trick, which seals off the scar entirely. — Lauren Schuster, Kansas City Star, 6 Aug. 2026

Make sure to seal off any waste sources to prevent flies from getting in. — Louise Parks, Martha Stewart, 1 Aug. 2026

Iran swiftly and essentially sealed off the Strait of Hormuz, a vital waterway for oil, natural gas and fertilizer shipments. — Jennifer A. Dlouhy, Fortune, 31 July 2026

For months after a devastating fire tore through seven Hong Kong apartment towers last year, the complex was sealed off to residents. — New York Times, 20 July 2026

Word History

First Known Use

1931, in the meaning defined above

Rhymes for seal off

• ashraf
• checkoff
• cutoff
• falloff
• handoff
• kickoff
• layoff
• liftoff
• markoff
• markov
• payoff
• playoff

Kids Definition

seal off

verb

: to close tightly