1.
prefix added to verbs and verbal derivatives: meaning 'amiss', 'badly', 'wrongly', 'unfavourably' (mislead; misshapen; mistrust).
Etymology: OE f. Gmc 2.
prefix occurring in a few words adopted from French meaning 'badly', 'wrongly', 'amiss', 'ill-', or having a negative force (misadventure; mischief).
Etymology: OF mes- ult. f. L minus (see MINUS): assim. to MIS-(1)