/ dɪˈbɑː(r); NAmE / verb
( -rr- ) [ vn ] [ usually passive ] debar sb (from sth / from doing sth) ( formal ) to officially prevent sb from doing sth, joining sth, etc. :
He was debarred from holding public office.
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WORD ORIGIN
late Middle English : from French débarrer , from Old French desbarrer unbar, from des- (expressing reversal) + barrer to bar.