inside voice

American  

[in-sahyd vois] / ˈɪnˌsaɪd ˌvɔɪs /

noun

1. a modulated, relatively calm voice, considered polite and socially appropriate when speaking indoors, as at home or in school or in an office (outside voice ).

   The students were reminded to use their inside voice and not shout their responses in class.

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Etymology

Origin of inside voice

First recorded in 1975–80

Example Sentences

"I've since learnt this was his inside voice," she added.

From BBC

So if my point of view on a topic is pro it, then the inside voice can be against it.

From Salon

And like Devi's internal narration, courtesy of John McEnroe, it may be difficult to quiet the inside voice asking why Netflix or the show's executive producers thought that, in the larger scheme of things, this was a perfectly fine and flawless choice.

From Salon

One video on their channel — of Bluey’s dad asking her to use her “inside voice” after operatically singing “can we get the bill” in a restaurant — has nearly 15 million views.

From Washington Post

“Well, sometimes I have to remind myself to use my inside voice when I speak with you and Dad,” she says.

From Literature