← BackshareGuessunreservedness/ˌʌnrɪˈzɜrvdnəs/nounThe quality of being open, honest, and without hesitation or restraint.He admired the unreservedness of their friendship.Her unreservedness made her easy to talk to.The speaker's unreservedness surprised the formal audience.SynonymsopennesscandorfranknessAntonymsreserve