a voice in the wilderness
Also found in: Wikipedia.
a (lone) voice in the wildernessalso a voice (crying) in the wilderness
someone who expresses an idea or opinion that is not popular For many years, she was a lone voice in the wilderness who wrote about the need for better urban planning.
a (lone) voice in the wildernessalso a voice crying in the wilderness
if you are a voice in the wilderness, you are the only person expressing a particular opinion, although later other people understand that you were right With her passionate pleas for peace, she was a lone voice in the wilderness.