Recuse is defined as to withdraw from the decision making process because of personal interest or unfairness.(verb)
An example of recuse is a judge being removed from a court case because she dated the defendant.
See recuse in Webster's New World College Dictionary
See recuse in American Heritage Dictionary 4
transitive verb re·cused, re·cus·ing, re·cus·es
Origin: Middle English recusen
Origin: , from Old French recuser
Origin: , from Latin recūsāre
Origin: : re-, re-
Origin: + causa, cause.
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