Adjective

• S: (adj) alone (alone%3:00:00:unsocial:00) (isolated from others) "could be alone in a crowded room"; "was alone with her thoughts"; "I want to be alone"
• S: (adj) alone (alone%3:00:00:unaccompanied:00), lone (lone%3:00:00:unaccompanied:00), lonely (lonely%3:00:00:unaccompanied:00), solitary (solitary%3:00:00:unaccompanied:00) (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"
• S: (adj) alone (alone%3:00:00:exclusive:00), only (only%3:00:00:exclusive:00) (exclusive of anyone or anything else) "she alone believed him"; "cannot live by bread alone"; "I'll have this car and this car only"
• similar to
• antonym
• W: (adj) inclusive (inclusive%3:00:00::) [Indirect via exclusive] (including much or everything; and especially including stated limits) "an inclusive art form"; "an inclusive fee"; "his concept of history is modern and inclusive"; "from Monday to Friday inclusive"
• S: (adj) alone (alone%3:00:00:incomparable:00), unique (unique%3:00:00:incomparable:00), unequaled (unequaled%3:00:00:incomparable:00), unequalled (unequalled%3:00:00:incomparable:00), unparalleled (unparalleled%3:00:00:incomparable:00) (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"

Adverb

• S: (adv) entirely (entirely%4:02:02::), exclusively (exclusively%4:02:00::), solely (solely%4:02:00::), alone (alone%4:02:00::), only (only%4:02:01::) (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"
• S: (adv) alone (alone%4:02:01::), solo (solo%4:02:00::), unaccompanied (unaccompanied%4:02:00::) (without anybody else or anything else) "the child stayed home alone"; "the pillar stood alone, supporting nothing"; "he flew solo"