To decide or announce that a planned event will not take place. The concert was canceled due to bad weather.
To stop doing or planning something; to call off. We had to cancel our trip because of the pandemic.
To mark something, such as a stamp, so that it cannot be used again. The post office canceled the stamp to prevent reuse.
To neutralize or negate the effect of something. The noise-canceling headphones cancel out background sounds.
To withdraw support for (a person, organization, etc.), especially on social media, because of perceived wrongdoing or offensive behavior. After the offensive tweet surfaced, many followers canceled the actor online.
(Mathematics) To remove the same factor from both the numerator and the denominator of a fraction, or from both sides of an equation. You can cancel the common factors of 3 in the fraction 6/9 to get 2/3.
To end or terminate a service, subscription, membership, contract, reservation, or similar arrangement. She canceled her gym membership after moving to another city.