lone·ly 
(lōnlē)
(lōnlē)adj. lone·li·er, lone·li·est
1.
a. Dejected by the awareness of being alone. See Synonyms at alone.
b. Producing such dejection: the loneliest night of the week.
2. Without others of a similar kind; lone; solitary: "a lonely band of lawyers up against the might of the American legal establishment" (Nick Kotz).
3. Unfrequented by people; desolate: a lonely crossroads.
loneli·ly adv.
loneli·ness n.