blow off: meaning, definition, pronunciation and examples

C1
UK/ˌbləʊ ˈɒf/US/ˌbloʊ ˈɔːf/

Informal

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Quick answer

What does “blow off” mean?

To cancel an arrangement, meeting, or responsibility.

Audio

Pronunciation

Definition

Meaning and Definition

To cancel an arrangement, meeting, or responsibility; to fail to attend something as promised.

To dismiss, ignore, or treat someone or something as unimportant; to let out steam, pressure, or energy (literal); to become detached by force (e.g., a roof in a storm).

Dialectal Variation

British vs American Usage

Differences

More common in American English for the 'cancel/dismiss' sense. In British English, 'blow out' is sometimes used for cancelling plans, while 'blow off' is understood but may be perceived as an Americanism.

Connotations

In both varieties, it carries a negative connotation of unreliability or disrespect when referring to cancelling on a person.

Frequency

Higher frequency in American spoken English.

Grammar

How to Use “blow off” in a Sentence

[Subject] blow off [Object: person/event][Subject] get blown off by [Object: person]

Vocabulary

Collocations

strong
blow off steamblow off a meetingblow off workblow off class
medium
blow off an obligationblow off an appointmentget blown off
weak
blow off the dustblow off the competition

Examples

Examples of “blow off” in a Sentence

verb

British English

  • He completely blew off the team meeting, which annoyed everyone.
  • After the exam, we went to the pub to blow off steam.

American English

  • She blew me off three times last week, so I'm not asking her out again.
  • I'm just going to blow off work and go to the beach.

adverb

British English

  • Not typically used as an adverb.

American English

  • Not typically used as an adverb.

adjective

British English

  • The blow-off valve is a critical safety component.
  • He gave a blow-off answer to a serious question.

American English

  • That was such a blow-off class; we just watched movies.
  • After the blow-off remark, she decided to leave.

Usage

Meaning in Context

Business

Avoid; considered unprofessional. Use 'cancel', 'postpone', or 'reschedule'.

Academic

Not used in formal writing. Appears in informal spoken contexts among students (e.g., 'blow off a lecture').

Everyday

Very common in informal speech to describe cancelling plans or neglecting responsibilities.

Technical

Used in engineering/mechanics for its literal meaning (e.g., 'The pressure valve blew off').

Vocabulary

Synonyms of “blow off”

Vocabulary

Antonyms of “blow off”

attendhonourkeepshow up for

Watch out

Common Mistakes When Using “blow off”

  • He blew off me. (Incorrect order) -> He blew me off. (Correct)
  • I need to blow off some steam from work. (Correct)
  • She blew off the offer. (Possible, but 'turned down' is more common).

FAQ

Frequently Asked Questions

Yes, when referring to cancelling on a person or ignoring responsibilities, it implies disrespect and unreliability. It's informal and often negative.

'Cancel' is neutral and formal. 'Blow off' is informal, implies a lack of serious reason or consideration for others, and often involves not showing up rather than formally cancelling.

In the phrase 'blow off steam', it is positive or neutral, meaning to release stress through activity. Otherwise, its connotations are negative.

Yes. 'I got blown off' means someone cancelled plans with you or stood you up, emphasizing your experience of being dismissed.

To cancel an arrangement, meeting, or responsibility.

Blow off is usually informal in register.

Blow off: in British English it is pronounced /ˌbləʊ ˈɒf/, and in American English it is pronounced /ˌbloʊ ˈɔːf/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • blow off steam

Learning

Memory Aids

Mnemonic

Imagine someone literally blowing on their calendar to blow an appointment 'off' the page.

Conceptual Metaphor

RESPONSIBILITIES/PEOPLE ARE OBJECTS that can be removed by wind/force.

Practice

Quiz

Fill in the gap
I was really annoyed when Tom decided to our dinner plans at the last minute.
Multiple Choice

In which sentence is 'blow off' used CORRECTLY in its most common informal sense?