a person of degraded, primitive, or brutal character.
3.
a person living in seclusion.
4.
a person unacquainted with affairs of the world.
5.
an animal living underground.
Origin: 1545–55; < Latin trōglodyta < Greek trōglodýtēs one who creeps into holes, cave dweller, equivalent to trōglo- (combining form of trṓglē a gnawed hole; compare trogon) + dý(ein) to creep into + -tēs agent suffix