Head-on and In the flesh

Head-on adverb - In direct confrontation or competition.

In the flesh and head-on are semantically related. In some cases you can use "In the flesh" instead an adverb phrase "Head-on".

In the flesh adjective - An appearance carried out personally in someone else's physical presence.

Head-on and in the flesh are semantically related. Sometimes you can use "Head-on" instead an adverb phrase "In the flesh".