'Unaccompanied' definitions:

Definition of 'unaccompanied'

From: WordNet
adverb
Without anybody else or anything else; "the child stayed home alone"; "the pillar stood alone, supporting nothing"; "he flew solo" [syn: alone, solo, unaccompanied]
adjective
Being without an escort [ant: accompanied]
adjective
Playing or singing without accompaniment; "the soloist sang unaccompanied" [ant: accompanied, attended]
adjective
(of a state or an event) taking place without something specified occurring at the same time; "a headache unaccompanied by other symptoms"

Definition of 'Unaccompanied'

From: GCIDE