Football infringement (7)
(Other definitions for offside that I've seen before include "Illegal football position between the ball and opponents' goal" , "(in the UK) a vehicle's right" , "Illegally ahead of the ball in soccer" , "Illegal state in football" , "Foul position in soccer" .)
(Other definitions for foul that I've seen before include "Illegitimate tackle" , "Vile" , "Unfair, against rules of game" , "Abhorrent" , "Offensive; make dirty" .)