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

The law ensures unaccompanied children have legal counsel to represent them in legal proceedings and to protect them from mistreatment, exploitation and trafficking. — Ruben Vives, Los Angeles Times, 30 July 2026

Thousands of unaccompanied migrant children could lose legal representation as soon as Friday as the federal government contract for the nonprofit groups representing minors expires, advocates and immigration lawyers told ABC News. — Laura Romero, ABC News, 30 July 2026

Dianne Guadian, 33, and three other members of a smuggling organization brought unaccompanied children between the ages of 5 and 13 illegally into the United States from Juárez, Mexico. — Natassia Paloma, USA Today, 30 July 2026

As scrutiny of those adults ramps up, HHS in recent months has held unaccompanied minors in custody longer – more than half a year on average. — Aaron Glantz, Christian Science Monitor, 29 July 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