Adjective alone has 4 senses
- alone - isolated from others; "could be alone in a crowded room"; "was alone with her thoughts"; "I want to be alone"
Antonym: social (indirect, via unsocial)
- 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)
- alone, only - exclusive of anyone or anything else; "she alone believed him"; "cannot live by bread alone"; "I'll have this car and this car only"
Antonym: inclusive (indirect, via exclusive)
- alone, unique, unequaled, unequalled, unparalleled - radically distinctive and without equal; "he is alone in the field of microbiology"; "this theory is altogether alone in its penetration of the problem"; "Bach was unique in his handling of counterpoint"; "craftsmen whose skill is unequaled"; "unparalleled athletic ability"; "a breakdown of law unparalleled in our history"
Antonym: comparable (indirect, via incomparable)
,
Adverbial alone has 2 senses
- entirely, exclusively, solely, alone, only - without any others being included or involved; "was entirely to blame"; "a school devoted entirely to the needs of problem children"; "he works for Mr. Smith exclusively"; "did it solely for money"; "the burden of proof rests on the prosecution alone"; "a privilege granted only to him"
- alone, solo, unaccompanied - without anybody else; "the child stayed home alone"; "he flew solo"
,