adjective , noun
■ adjective / ˌɒfˈsaɪd; NAmE ˌɔːf-; ˌɑːf-/
1.
( US also off·sides ) in some sports, for example football ( soccer ) and hockey , a player is offside if he or she is in a position, usually ahead of the ball, that is not allowed :
He was offside when he scored.
the offside rule
—compare onside
2.
( BrE ) on the side of a vehicle that is furthest from the edge of the road :
the offside mirror
—compare nearside
■ noun [ U ]
1.
/ˌɒfˈsaɪd; NAmE ˌɔːf-; ˌɑːf-/ ( US also off·sides ) the fact of being offside in a game such as football ( soccer ) or hockey :
The goal was disallowed for offside.
2.
/ ˈɒfsaɪd; NAmE ˈɔːf-; ˈɑːf-/ ( BrE ) the side of a vehicle that is furthest from the edge of the road :
The offside was damaged.
—compare nearside