lonesome /ˈloʊnsəm/ adjective Learner's definition of LONESOME
[more lonesome; most lonesome] chiefly US
1
: sad from being apart from other people : lonely寂寞的;思念的 2
: causing sad feelings that come from being apart from other people : lonely令人感到寂寞的 3
: not visited by or traveled on by many people : lonely人烟稀少的;荒凉的
(all) by your lonesome
informal
: without anyone else : entirely alone独自;单独