lonely
/ˈləʊnli/adjective
Sad because you are cut off from other people.
Places can be lonely too: a lonely road is remote and empty. 'Alone' states a fact; 'lonely' adds sadness.
Related words
gratefulFeeling or showing thanks for something someone has done for you.proudFeeling pleased and satisfied because of something you or someone close to you has done.anxiousFeeling worried or uneasy, especially about something uncertain or still to come.jealousFeeling bitter or resentful because someone else has something you want, such as success or possessions.calmQuiet and relaxed, without anger, worry, or disturbance.nervousWorried and easily upset; feeling tense or on edge.