anti-macho
adjective
an·ti-ma·cho 
ˌan-tē-ˈmä-(ˌ)chō,
ˌan-tī- : characterized by a deliberate avoidance or notable absence of machismo
… the cumulative effect of all these anti-macho brainiacs has been to make it seem as if a superhero could be anyone.
Owen Gleiberman
Owen Gleiberman
Word History
First Known Use
1975, in the meaning defined above