Blows off can mean to disregard or ignore. Antonyms for blows off would be to address, attend to, or heed. If someone were to blow off a task, the opposite would be to complete or accomplish it. To blow off a person or their feelings would be the opposite of respecting and validating them. Some additional antonyms for blows off could include acknowledgment, recognition, or consideration. The opposite of blowing someone off would be to make an effort to connect and engage with them. In summary, antonyms for blows off would involve taking action and showing respect towards people and tasks.