To cancel is defined as to delete or make invalid.(verb)
An example of to cancel is someone telling their grocery delivery they no longer want their services.
See cancel in Webster's New World College Dictionary
Origin: ME cancellen < Anglo-Fr canceler < LL cancellare, to strike out, cancel < L, to make resemble a lattice < cancelli, pl. of cancellus, lattice, grating, dim. of cancer, crossed bars, lattice, dissimilated < carcer, prison
See cancel in American Heritage Dictionary 4
verb can·celed also can·celled, can·cel·ing also can·cel·ling, can·cels also can·cels verb, transitive
Origin: Middle English cancellen
Origin: , from Old French canceller
Origin: , from Latin cancellāre, to cross out
Origin: , from cancellus, lattice
Origin: , diminutive of cancer, lattice.
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