definition of
lonely

[1] #1 lonely s. [alone, lone, solitary] lacking companions or companionship; "he was alone when we met him"; "she is alone much of the time"; "the lone skier on the mountain"; "a lonely fisherman stood on a tuft of gravel"; "a lonely soul"; "a solitary traveler". wn

[2] #2 lonely s. [lonesome] marked by dejection from being alone; "felt sad and lonely"; "the loneliest night of the week"; "lonesome when her husband is away"; "spent a lonesome hour in the bar". wn

[3] #3 lonely s. [lone, solitary] characterized by or preferring solitude; "a lone wolf"; "a lonely existence"; "a man of a solitary disposition"; "a solitary walk". wn

[4] #4 lonely s. [solitary, unfrequented] devoid of creatures; "a lonely crossroads"; "a solitary retreat"; "a trail leading to an unfrequented lake". wn