nonaccompanied adjective4 •Unaccompanied. •Not allowing the inclusion of additional companionsWith a growing number of single parents in the Armed Services, it is of critical importance to avoid jeopardizing child/parent relationships through nonaccompanied tours. — 1985 •Without companions or a caretaker.Responsible for materials handling equipment, technical assistance for moving units, terminal services for nonaccompanied equipment, and Air Force inspection of all airlift loads. — 1978 •Lacking musical accompaniment.The improvement in verbal fluency test performance after listening to the music was more than twice that of the nonaccompanied session. — 2008