directly opposite; right in front
Used for facing something head-on, often in confrontational or direct-confrontation contexts. Common in phrases like 真っ向から対立する (to be in direct opposition).
His opinion is in direct opposition to my thinking.
真っ向から勝負を挑む。
Challenge head-on.
middle of the forehead
Refers to the center of the forehead; often appears in contexts like striking or pointing at the forehead.
真っ向に一発食らわせる。
Land a blow right on the forehead.
helmet front
Specifically the front part of a helmet; a somewhat specialized term.
兜の真っ向には家紋が描かれている。
The family crest is painted on the front of the helmet.
The two of them were in direct opposition on the issue.
He flatly denied the criticism.
The rookie team challenged the powerhouse head-on.