n. A lack or absence of reserve; frankness; freedom of communication.
the GNU version of the Collaborative International Dictionary of English
n. Absence of reverse; frankness; freedom of communication.
The Century Dictionary and Cyclopedia
n. Absence of reserve; frankness; freedom of communication.
Word Usage
"With the burden of that search upon him, it was not possible for such a nature as his to plunge with the unreserve which is the condition of success into any study which had no direct reference to it."