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"
exclusive of anyone or anything else; "she alone believed him"; "cannot live by bread alone"; "I'll have this car and this car 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"
isolated from others; "could be alone in a crowded room"; "was alone with her thoughts"; "I want to be alone"
without anybody else or anything else; "the child stayed home alone"; "the pillar stood alone, supporting
perform a piece written for a single instrument
fly alone, without a co-pilot or passengers
without anybody else or anything else; "the child stayed home alone"; "the pillar stood alone, supporting nothing"; "he flew solo"
a flight in which the aircraft pilot is unaccompanied
any activity that is performed alone without assistance
composed or performed by a single voice or instrument; "a passage for solo clarinet"
a musical composition for one voice or instrument (with or without accompaniment)
A card game
carried out without aid or assistance; "his first unaided walk through the park"