IPA: /ˌʌnəˈkʌmpənɪd/
KK: /ʌnəˈkʌmpənid/
Describing someone or something that is alone or not with others.
The unaccompanied minor was escorted to the gate by the airline staff.
Unaccompanied → It is formed from "un-" (meaning not) and "accompanied" (from Latin "companio", meaning companion or one who eats bread with another). The word "unaccompanied" means not accompanied or without a companion.
Think of 'not' ('un-') having someone to share a meal with ('companio') — that's why unaccompanied means being alone.