Main Entry: dis-

Function: prefix

Etymology: Middle English dis-, des-, from Anglo-French & Latin; Anglo-French des-, dis-, from Latin dis-, literally, apart; akin to Old English te- apart, Latin duo two — more at two

1 a : do the opposite of <disestablish> b : deprive of (a specified quality, rank, or object) <disfranchise> c : exclude or expel from <disbar>
2 : opposite or absence of <disunion> <disaffection>
3 : not <disagreeable>
4 : completely <disannul>
5 [by folk etymology] : dys- <disfunction>