0 a person who is skilled in three different areas, especially a performer who can act, dance, and sing well:
Alena is a true triple threat with her excellent dancing, vocals and acting.
Skateboarding: Chris is a triple threat. He excels at street, vert, and pool skating.
A subcommittee on Homeland Security has investigated the so-called "triple threat" of drug smuggling, illegal border crossings and rising violence.
