head on

head-on

1. Directly; without hesitation. I'm nervous about having to make a presentation to the entire board, but it is a challenge I will meet head-on.
2. With the front or head facing forward. It was a head-on collision—that's why my windshield is cracked.
Farlex Dictionary of Idioms.

head on

directly; head to head. I think we need to face this threat head on. Let's be proactive not reactive!
See also: head, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

head on

1. With the face or front first, as in The two bicycles collided head on. [Early 1800s]
2. In direct conflict, in open opposition, as in They decided to meet the opposition head on.
See also: head, on
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • head-on
  • face head-on
  • without flinching
  • without demur
  • (one's) head off
  • head off
  • your head off
  • take (something) as (the) gospel truth
  • take (something) for (the) gospel truth
  • take something as gospel
References in classic literature
An enormous moose head, with horns six feet across, faced a buffalo head on the opposite wall, while bear and tiger skins covered the polished floor.
Jungle
"Upon reviewing and watching the script and movie of Ghost Protocol, I immediately recognised that the scripts for this movie had been illegally written and produced from Head On's 1998 copyright.
Tom Cruise Sued For $1B Over Alleged Plagiarised 'Mission: Impossible 6 Ghost Protocol' Script
Scott's next project, "Head On," about an 18-year-old boy turning his back on his Greek heritage in a wild trip through the inner-city world of gay pubs and clubs, will lens in Melbourne in June and looks to have smoother sailing.
One of the reasons for "Head On's" less painful genesis is Star's relatively new policy of signing with emerging directors, despite the number of successful helmers heading Stateside after their first hit and the increased competition from rival distribs for new local talent.
On their own: pic makers Down Under prize independence