Word.ws English Dictionary

block off

block off verb: to obstruct.

Verb

block off (third-person singular simple present blocks off, present participle blocking off, simple past and past participle blocked off)

  1. (transitive) To obstruct.
    • The lorry is blocking off the road, so traffic has come to a standstill.
  2. To book, set aside (an unbroken period of time to do an activity).
    • I'll need to block off a couple of weeks to refurnish my house.

Forms of block off

third-person singular presentblocks off
present participleblocking off
past participleblocked off
pastblocked off

Questions about block off

What does block off mean?
Block off means to obstruct.
What part of speech is block off?
Block off is a verb.
What is the past tense of block off?
The past tense of block off is blocked off.

Words near block off in the dictionary

  1. block macromolecules
  2. block model
  3. block models
  4. block of chocolate
  5. block of flats
  6. block off
  7. block ornament
  8. block ornaments
  9. block out
  10. block parties
  11. block party

Source and license

Adapted from Wiktionary: block off (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “block off.” Word.ws, https://word.ws/block_off. Based on Wiktionary, CC BY-SA 4.0.