solo

noun pl. solos or soli

1. 1. a musical piece or passage played or sung by one person, with or without accompaniment
   2. a performance of such a piece or passage
   3. a dance, pantomime, etc., for performance by one person
2. an airplane flight made by a pilot alone, without an assistant, instructor, etc.
3. any performance by one person alone
4. any of several card games in which each person plays, or a person may choose to play, alone against the others, without a partner

adjective

1. designed for or performed by a single voice, person, or instrument
2. performing a solo

adverb

intransitive verb soloed, soloing

1. to perform a solo
2. to make a solo flight