unchaperoned

Siblings of the opposite sex should not interact in unchaperoned areas to abstain from the "appearance of evil." etc. etc.

Sound Politics: Liberals Remain Miffed About Religion 2006

Never once was he so far from them that they could have exchanged a word unchaperoned by his throbbing ear.

Penrod and Sam Booth Tarkington 1907

The activities of modern women—slumming, night life, exaggerations in dress, an unchaperoned life outside the home, entrance into business and sports—have erased the outward distinction between the painted sport and the paler protected lady.

A Renegade History of the United States Thaddeus Russell 2010

Several girls had already made plans to sneak over to the frats—not that we were supposed to visit unchaperoned.

Dark Secrets 2: No Time to Die the Deep End of Fear Elizabeth Chandler 2011

Several girls had already made plans to sneak over to the frats—not that we were supposed to visit unchaperoned.

Dark Secrets 2: No Time to Die the Deep End of Fear Elizabeth Chandler 2011

In Five on a Hike Together the four children and their dog spend several days hiking unchaperoned on moors during a long weekend in October.

2009 October 10 « One-Minute Book Reviews 2009

Prosecutors and hospital officials argued it was too soon for Swann to be allowed off the hospital grounds unchaperoned by hospital staff and saidSwann still showed signs of mental illness.

Fri. decision on 'shotgun stalker' release 2011

Several girls had already made plans to sneak over to the frats—not that we were supposed to visit unchaperoned.

Dark Secrets 2: No Time to Die the Deep End of Fear Elizabeth Chandler 2011

These establishments not only offered afternoon tea, but provided, for the first time, a place that an unchaperoned young lady could visit with her friends and maintain her reputation.

The Tea Rooms of London | Edwardian Promenade 2009

Several unchaperoned boy/girl weekends followed, one of them at Beba's parents 'beach house in East Hampton, in June of the year we graduated from high school.

East Hampton Before the Deluge 2010