Definition of blow something off in English:

blow something off

phrasal verb

North American
informal
  • 1Ignore or make light of something.

    ‘he tries to blow it off and pretend it doesn't matter’
    • ‘He sometimes blows off community groups, things like that.’
    • ‘Unsurprisingly, he blows off his friend's demand for payment.’
    • ‘But blowing off the concerns of troops in harm's way by noting that even fully armored vehicles sometimes blow up should be another matter.’
    • ‘Besides being arrogant and stupid, there has to be political support to keep blowing off complaints about something so basic.’
    • ‘If you start blowing off your bud just because of her new social circle, then you are the one who is betraying the friendship.’
    • ‘And when a married woman blows off her commitments to her husband and her children in favor of an affair with a married man, who is to blame?’
    • ‘We see Dewey rolling his bandmates' eyes by taking over-the-top guitar solos, we see him getting dumped from his band for sucking, and we see him blowing off the thousands of dollars he owes his roommate.’
    1. 1.1 Fail to attend something.
      ‘Ivy blew off class’
      • ‘But first, I must prepare that last class, for the good students who did not blow it off and leave early.’
      • ‘I just wanted to let you know that I did not just blow off the meeting on the 9th.’
      • ‘And so, while ‘treating the vote as a duty’ may, in some people's eyes, ‘makes us less likely to see it for the precious right that it is,’ so does blowing it off for a hairdressing appointment or getting to the pub a few minutes earlier.’
      • ‘Nina's new guy is way more enticing than 9 a.m. calculus... but can she blow off class again?’
      • ‘We don't blow off class to cover a meeting or to write a story.’