troglodytic adjective. 
[trɒglǝ'dɪtɪk] L16.[Latin troglodyticus from Greek trōglodutikos, from trōglodutēs: see TROGLODYTE, -IC.]1.  Inhabited by troglodytes. 
L16.2.  Of or pertaining to troglodytes; that is a troglodyte, cave-dwelling. 
L17.3.  Resembling or characteristic of a troglodyte; unprogressive, old-fashioned. 
L19.Also 
 ■   troglodytical adjective M19.  [TahlilGaran] English Dictionary ▲