Letters that make unbolt
o, b, l, n, t, u are letters that make 'unbolt'
unbolts is a word created by adding a letter to 'unbolt'
1 possible definitions for 'unbolt'
Under this definition, unbolt is a verb and has the following properties:
bolt has the opposite meaning of unbolt
undo is an entailment to 'unbolt'.
"unbolt the door"