solo Get Printable Handwriting (so-lo) 2 syllables Rhymes Learn It! Spelling Test Definition noun. any activity that is performed alone without assistanceadverb. without anybody elseadjective. performed by a single voice Example Sentence He sang a solo. OR She flew solo. OR The part was for a solo bassoon. Synonyms alone; detached; single-handedly Antonyms duet; group effort Rhymes Two Syllable Rhymes (1) solo Share with your friends: