ˌhead-ˈon BrE AmE adverb
1 . crash/collide/smash etc head-on if two vehicles crash etc head-on, the front part of one vehicle hits the front part of the other
2 . if someone deals with a problem head-on, they do not try to avoid it, but deal with it in a direct and determined way
face/tackle/meet something head-on
The police are trying to tackle car crime head-on.
3 . if two people or teams meet head-on in an argument, competition etc, they compete against each other and try to win in a very determined way
—head-on adjective :
a head-on collision