Definitions for "Unaccompanied"
without accompaniment or companions; "the soloist sang unaccompanied"; "it had dramatic energy unaccompanied by an adequate sense of dramatic form"; "unaccompanied women were excluded"
To present participles which come from intransitive verbs, or are themselves employed as adjectives, to mark the absence of the activity, disposition, or condition implied by the participle;
Keywords:  flew, anybody, solo, stayed, alone
without anybody else; "the child stayed home alone"; "he flew solo"