head-on

head-on  {adj.} or  {adv. phr.}

1. With the head or front pointing at; with the front facing; front end to front end.

Our car skidded into a head-on crash with the truck.

In the fog the boat ran head-on into a log.

There is a head-on view of the parade from our house.

Compare: FACE-TO-FACE.

Contrast: REAR-END.

2. In a way that is exactly opposite; against or opposed to in argument.

If you think a rule should be changed, a head-on attack against it is best.