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

Now unaccompanied kids are being treated like adults, despite laws and policies meant to give them extra consideration. — E. Tammy Kim, New Yorker, 20 June 2026

In addition, Uber drivers are encouraged to cancel trips with unaccompanied minors who do not have a teen account. — David Chiu, PEOPLE, 30 June 2026

The agency ordered contractors to not use bars or cages when transporting families and unaccompanied children. — Jack Brook, ABC News, 6 July 2026

Authorities widely refer to mass gatherings of unaccompanied young people — that sometimes escalate into chaos or violence — as teen takeovers. — Lauren Mascarenhas, CNN Money, 5 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