unchaperoned

/ʌnˈʃæpəˌroʊnd/
adjective
  1. Without an adult or supervisor present to watch over or accompany, especially young people.
    • The school does not allow unchaperoned students to leave the campus during the field trip.
    • The museum requires all groups of minors to be unchaperoned only with written permission.
    • They went to the dance unchaperoned, which made their parents a little nervous.
What does "unchaperoned" mean? | whatsthatwordmean | whatsthatwordmean