adj. 25B6; adjective
his cries went unattended : IGNORED, disregarded, neglected, passed over.
an unattended vehicle : UNGUARDED, unwatched, alone, solitary; abandoned.
she had to walk there unattended : UNACCOMPANIED, unescorted, partnerless, unchaperoned, alone, on one's own, by oneself, solo; informal by one's lonesome; Brit. informal on one's tod, on one's Jack Jones; Austral./NZ informal on one's Pat Malone.