unrifled
adjective
un·ri·fled ˌən-ˈrī-fəld 
: not rifled: such as
a
: not ransacked or plundered
rooms left unrifled
Soon, while the crews were awaiting the arrival of the ship, the body [of the whale] showed symptoms of sinking with all its treasures unrifled.
Herman Melville
Herman Melville b
: not having spiral grooves cut into the bore
a gun with an unrifled barrel
Example Sentences
Recent Examples on the Web Having a wide, smooth, unrifled barrel, the Holman could shoot nearly anything a sailor could fit inside it. William Gurstelle, Popular Mechanics, 4 Apr. 2017 Having a wide, smooth, unrifled barrel, the Holman could shoot nearly anything a sailor could fit inside it. William Gurstelle, Popular Mechanics, 4 Apr. 2017
William Gurstelle, Popular Mechanics, 4 Apr. 2017 Having a wide, smooth, unrifled barrel, the Holman could shoot nearly anything a sailor could fit inside it. William Gurstelle, Popular Mechanics, 4 Apr. 2017 Word History
First Known Use
1583, in the meaning defined above