unaccompanied

1.无人陪伴（或同行）的without a person going together with sb/sth

2.无伴奏的；无伴唱的performed without anyone else playing or singing at the same time

3.~ by sth没有；不伴有not together with a particular thing

1.没有伴的;无人伴随的 (by; with)

2.【乐】无伴奏的

1.someone who is unaccompanied goes somewhere alone; unaccompanied bags, suitcases, etc. are sent somewhere on a train or airplane without their owner

2.an unaccompanied singer or musician sings or plays alone, without any other instruments or voices