voice

at the top of your voice

if someone says something at the top of their voice, they say it as loudly as they can. 'Stop it Nathan!' she shouted at the top of her voice.

See also: top

a (lone) voice 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.

See also: wilderness

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speak with one voice

to express the same opinion. It is a very rare event when my family speaks with one voice about anything.

Usage notes: must refer to two or more people, as in the example

See also: speak

a (lone) voice 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.

See also: wilderness