|1.||[ noun ] any activity that is performed alone without assistance|
|2.||[ verb ] (transportation) fly alone, without a co-pilot or passengers|
|Related terms:||fly air_travel|
|3.||[ noun ] (music,fine art) a musical composition for one voice or instrument (with or without accompaniment)|
|Related terms:||musical_composition voluntary|
|4.||[ adjective ] (music) composed or performed by a single voice or instrument|
"a passage for solo clarinet"
|Related terms:||music unaccompanied|
|5.||[ verb ] (performing arts) perform a piece written for a single instrument|
|6.||[ adverb ] without anybody else|
"the child stayed home alone" "he flew solo"
|7.||[ noun ] (transportation) a flight in which the aircraft pilot is unaccompanied|