Definition of head-on in English:

head-on

adverb & adjective

  • 1With or involving the front of a vehicle.

    [as attributive adjective] ‘a head-on collision’
    [as adverb] ‘they hit a bus head-on’
    direct, involving the front of a vehicle, front-to-front
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  • 2With or involving direct confrontation.

    [as attributive adjective] ‘trying to avoid a head-on clash’
    direct, face to face, personal
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Pronunciation:

head-on

/ˈhed ˈˌän/