The phrase "powerful voice" refers to someone who can speak confidently, clearly, and with a strong impact. It means their words are influential and have the ability to command attention and make a difference. Full definition
In the end, will she become as powerful a voice in defense of life as she once was in defense of death? (nathanwinograd.com)
There is a wide range of topics for the comparison thesis writing: from the color of the socks to the most powerful voices of the 20th century. (customwritingservices.org)
It may be precisely because these women in entertainment have much more powerful voices than others, and that their voices can capture attention on the world stage. (blog.aamft.org)