unaccompanied

adjective

un·​ac·​com·​pa·​nied ˌən-ə-ˈkəmp-nēd 

-ˈkämp-;

-ˈkəm-pə-, 

-ˈkäm- 

: not accompanied

especially : being without instrumental accompaniment

Synonyms of unaccompanied

• lone
• lonely
• solo
• single
• solitary
• alone

Examples of unaccompanied in a Sentence

He attended the party unaccompanied.

Unaccompanied children are not allowed in the store.

All we've had from him is a lot of talk unaccompanied by any real effort to solve the problem.

a piece written for an unaccompanied cello

Recent Examples on the Web

This May, authorities captured 19 migrants, including three unaccompanied minors, in the San Diego storm water drainage system. — Steve Fisher, Los Angeles Times, 9 Sep. 2026

Rebecca is worked up because Matthjis is seemingly ghosting her, and Keeley becomes instantly flustered by the unexpected arrival of (an unexpectedly unaccompanied) Roy. — Keith Phipps, Vulture, 9 Sep. 2026

Most airlines now require unaccompanied minors to be escorted to their departure gates and met at the arrival gates by an adult guardian. — Kathleen Wong, USA Today, 3 Sep. 2026

Many migrants, including unaccompanied minors, remain sleeping in the streets and camped on a beach despite authorities’ efforts to shelter, register and deport those who are eligible back to Morocco. — ABC News, 2 Sep. 2026

Word History

First Known Use

1545, in the meaning defined above

Phrases Containing unaccompanied

• unaccompanied by

Rhymes for unaccompanied

• accompanied

Kids Definition

unaccompanied

adjective

un·​ac·​com·​pa·​nied ˌən-ə-ˈkəmp-(ə-)nēd 

: not accompanied

especially : being without instrumental accompaniment