someone who gives the main address at a formal gathering such as a conference
Examples of 'keynote speaker' in a sentence
keynote speaker
I have the privilege of being one of the keynote speakers for the conference.
Christianity Today (2000)
Oh, and he would probably make a good keynote speaker too.
Times, Sunday Times (2016)
I was only after a bit of money to be a keynote speaker.
The Sun (2016)
He said he could not understand why 100 doctors cancelled their attendance at the conference, for which a keynote speaker made his presentation by telephone.
Globe and Mail (2003)
He has been signed up as the keynote speaker at international conferences, earning thousands of pounds a time.
Times, Sunday Times (2017)
He has been a keynote speaker, often the closing speaker, at almost all its conferences for the past 15 years.
Times, Sunday Times (2016)
Yet the keynote speakers have a message of great hope from another field.