(adj)
characterized by or preferring solitude; "a lone wolf"; "a lonely existence"; "a man of a solitary disposition"; "a solitary walk"
of plants and animals; not growing or living in groups or colonies; "solitary bees"
lacking companions or companionship; "he was alone when we met him"; "she is alonemuch of the time"; "the lone skier on the mountain"; "a lonely fisherman stood on a tuft of gravel"; "a lonely soul"; "a solitary traveler"