Definition of speak up
1 : to speak loudly and distinctly
2 : to express an opinion freely <speak up for truth and justice — Clive Bell>
Examples of speak up in a sentence
<she's never been afraid to speak up at town meetings>
First Known Use of speak up
Seen and Heard
What made you want to look up speak up? Please tell us where you read or heard it (including the quote, if possible).