n. 25B6; adjective
a solitary life : LONELY, companionless, unaccompanied, by oneself, on one's own, alone, friendless; antisocial, unsociable, withdrawn, reclusive, cloistered, hermitic; N. Amer. lonesome.
solitary farmsteads : ISOLATED, remote, lonely, out of the way, in the back of beyond, outlying, off the beaten track, godforsaken, obscure, inaccessible, cut-off; secluded, private, sequestered, desolate; N. Amer. in the backwoods; Austral./NZ in the backblocks; informal in the sticks, in the middle of nowhere; N. Amer. informal in the boondocks; Austral./NZ informal beyond the black stump; poetic/literary lone.
a solitary piece of evidence : SINGLE, lone, sole, unique; only, one, individual; odd.
sociable, accessible.
25B6; noun he became a solitary : RECLUSE, loner, hermit; historical anchorite; archaic eremite.