| 1. | (of two objects) meeting with the fronts or heads foremost: a head-on collision. |
| 2. | facing the direction of forward motion or alignment; frontal. |
| 3. | characterized by direct opposition: a head-on confrontation. |
| 4. | with the front or head foremost, esp. in a collision: She stepped out of the front door and walked head-on into her husband. |

| head-on (hěd'ŏn', -ôn') adv.
|