unaccompanied

(a) being without an escort
(r) without anybody else or anything else
- the child stayed home alone
- the pillar stood alone, supporting nothing
- he flew solo
solo, alone,
(a) playing or singing without accompaniment
- the soloist sang unaccompanied
(s) (of a state or an event) taking place without something specified occurring at the same time
- a headache unaccompanied by other symptoms

solo alone

accompanied attended