troglodytic

synonyms:
abandoned, alone, apart, by oneself, comfortless, companionless, deserted, desolate, destitute, disconsolate, down, empty, estranged, forsaken, godforsaken, homeless, isolated, left, lone, lonesome, outcast, reclusive, rejected, renounced, secluded, single, solitary, troglodytic, unattended, unbefriended, uncherished, unsocial, withdrawn
(luke hemmings/muke short story)