unguarded

== Anglais == === Étymologie === De un- et guarded. === Adjectif === unguarded \ʌnˈɡɑːdid\ Sans surveillance. Involontaire, irréfléchi. […] my sudden appearance might shake his nerves and lead him to say something unguarded. […] mon apparition soudaine pourrait lui porter un coup et lui arracher quelque exclamation involontaire. — (A Study in Scarlet, Arthur Conan Doyle)