seal off
To physically isolate an area or building for security reasons preventing passage of…To physically isolate an area or building for security reasons preventing passage of humans or vehicles.
» The alien organism must remain sealed off.
Amastan · Tatoeba · CC BY 2.0 FRMeaning
1 sensesTo physically isolate an area or building for security reasons preventing passage of humans or vehicles.
Police sealed off the building following an anonymous bomb warning.
- impose a blockade on
- make tight; secure against leakage
Examples
7 sentencesThe alien organism must remain sealed off.
Yanni's apartment was sealed off by the police.
“Vocabulary” and “grammar” are not hermetically sealed-off categories.
Karl sealed everything off.
Paul's basement is sealed off.
Forms
seals off, sealing off, sealed off, sealed off| Base form | seal off · to seal off |
|---|---|
| 3rd person singular | seals off |
| Present participle | sealing off |
| Past simple | sealed off |
| Past participle | sealed off |
irregular
Phrasal verbs
3 phrasal verbsSynonyms
2 synonymsLessons for this word
3 lessons- A1Present simple — Because it is a verb
- A1Past simple, regular verbs — Because of its past form
- A2Phrasal verbs: introduction — Because it is a phrasal verb
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.