unprotected

Etymology

un- + protected

adj

1. Not protected; lacking defence or protection; exposed.
   A well-gilt top to a book is a great preventive against damage by dust, while to leave books with rough tops and unprotected is sure to produce stains and dirty margins. 1880, William Blades, The Enemies of Books, page 35
   The level crossings at Stretton and at the point where the A.L.R. crosses the main road south of Stretton are provided with gates; other crossings are unprotected, save for cattle-guards. 1944 January and February, “Light Railways in Derbyshire”, in Railway Magazine, page 25