The definition of co-opt means to take something, especially some kind of power, that wasn't originally yours or that wasn't originally supposed to go to you.(verb)
An example of co-opt is a person who gets himself elected to a homeowners association and rewrites the bylaws so he gives himself the freedom to make decisions without the rest of the board's approval.
See co-opt in Webster's New World College Dictionary
Origin: L cooptare, to choose, elect < co- (var. of com-), with + optare, to choose: see option
See co-opt in American Heritage Dictionary 4
transitive verb co-opt·ed, co-opt·ing, co-opts
Origin: Latin cooptāre
Origin: : co-, co-
Origin: + optāre, to choose.
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