Pronunciation: (kan'sul),[key] —v.,-celed, -cel•ing or (esp. Brit.)-celled, -cel•ling, —n.

—v.t. 1. to make void; revoke; annul: to cancel a reservation. 2. to decide or announce that a planned event will not take place; call off: to cancel a meeting. 3. to mark or perforate (a postage stamp, admission ticket, etc.) so as to render invalid for reuse.
4. to neutralize; counterbalance; compensate for: His sincere apology canceled his sarcastic remark. 5. Accounting. a. to close (an account) by crediting or paying all outstanding charges: He plans to cancel his account at the department store. b. to eliminate or offset (a debit, credit, etc.) with an entry for an equal amount on the opposite side of a ledger, as when a payment is received on a debt.
6. Math.to eliminate by striking out a factor common to both the denominator and numerator of a fraction, equivalent terms on opposite sides of an equation, etc.
7. to cross out (words, letters, etc.) by drawing a line over the item.
8. Print.to omit.

—v.i. 1. to counterbalance or compensate for one another; become neutralized (often fol. by out): The pros and cons cancel out. 2. Math.(of factors common to both the denominator and numerator of a fraction, certain terms on opposite sides of an equation, etc.) to be equivalent; to allow cancellation.

—n. 1. an act of canceling.
2. Print.,Bookbinding. a. omission.
b. a replacement for an omitted part.