unaccompanied -- (playing or singing without accompaniment; "the soloist sang unaccompanied")
unaccompanied -- ((of a state or an event) taking place without something specified occurring at the same time; "a headache unaccompanied by other symptoms")
Overview of adv unaccompanied
The adv unaccompanied has 1 sense
alone, solo, unaccompanied -- (without anybody else or anything else; "the child stayed home alone"; "the pillar stood alone, supporting nothing"; "he flew solo")