The Collaborative International Dictionary
Troglodytical
Troglodytic \Trog`lo*dyt"ic\, Troglodytical \Trog`lo*dyt"ic*al\, a. [L. troglodyticus, Gr. ?.] Of or pertaining to a troglodyte, or dweller in caves.
Wiktionary
troglodytical
a. (alternative form of troglodytic English)