When someone is being offensive (and/or in a state of anger) and shouts at you you respond with "lower your voice" to tell them you're not alright with their attitude and conversation manner.
Kid: Stop talking about school and grades, Mom! (shouting or speaking loudly)
Mom: Lower your voice!
Mom: Lower your voice!
by UrsaLinguistics August 3, 2014
A person's normal speaking voice, without any change in volume, stress, "tone" or emphasis placed upon any of the words.
Antonym of "upper case voice".
Antonym of "upper case voice".
"If you want to continue this discussion, I need you to stop yelling and speak calmly. Use your lower case voice."
by markfromhouston September 25, 2009
by Sergioservice January 24, 2019