Dirty: From Middle English dirti

From Middle English dirti, alteration of earlier dritti, equivalent to dirt +‎ -y. Cognate with Middle Low German drēterich (“dirty”). See also drite. dirty (comparative dirtier, superlative dirtiest) Despite a walk in the rain, my shoes weren't too dirty. Official HD Video for ”Dirrty” by Christina Aguilera ft. Redman Listen to Christina Aguilera: https://ChristinaAguilera.lnk.to/list... Watch more videos by Christina Aguilera: https ... DIRTY definition: 1. marked with dirt, mud, etc., or containing something such as pollution or bacteria: 2. unfair…. Learn more. Dirty, filthy, foul, squalid refer to that which is not clean. Dirty is applied to that which is filled or covered with dirt so that it is unclean or defiled: dirty clothes.