Englishunaccompanied
adjective
our parents would not let us go out unaccompanied in the evenings:
alone, on one's own, all alone, by oneself, solo, lone, solitary, single, single-handed;
unescorted, without an escort, unattended, unchaperoned, partnerless, companionless;
Latin solus;
informal by one's lonesome;
British, informal on one's tod, on one's lonesome, on one's jack, on one's Jack Jones;
Australian, New Zealand, informal on one's pat, on one's Pat Malone.
▷antonyms accompanied.
unaccompanied Oxford Dictionary of English