- Disabuse is defined as to free from a misconception.
An example of to disabuse is to tell children that they are not going to be having ice cream sundaes every night.
disabuse definition by Webster's New World
disabuse definition by American Heritage Dictionary
transitive verb dis·a·bused, dis·a·bus·ing, dis·a·bus·es
Origin: French désabuser : dés-, dis- + abuser, to delude (from Old French, to misuse; see abuse).