Adjective lonely has 4 senses
- alone, lone, lonely, 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"
Antonyms: accompanied, attended (indirect, via unaccompanied)
- lonely, 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"
Antonym: elated (indirect, via dejected)
- lonely, solitary, unfrequented - separated from or unfrequented by others; remote or secluded; "a lonely crossroads"; "a solitary retreat"; "a trail leading to an unfrequented lake"
Antonym: accessible (indirect, via inaccessible)
- lonely, solitary - enjoyed or performed alone; "a lonely existence"; "his lonely room"; "took a solitary walk"; "enjoyed her solitary dinner"; "solitary pursuits such as reading"
Antonym: social (indirect, via unsocial)
,