keynote

1 of 3

noun (1)

key·​note ˈkē-ˌnōt How to pronounce keynote (audio)
Synonyms of keynotenext
1
: the fundamental or central fact, idea, or mood
Sadness is the keynote of this little collection.Books Abroad
One keynote of his mind has been his interest in deceit, his perceptions about the use of flimflam in modern life …Stanley Kauffmann
2
music : the first and harmonically fundamental tone of a scale
3
: keynote address
Following Tuesday morning's keynote, sessions progress through all areas.Jim Rosenberg
Sprinting from workshops to motivational keynotes featuring famous faces and wannabes, I came away inspired and armed with information …Peggy Klaus

keynote

2 of 3

verb

keynoted; keynoting; keynotes

transitive verb

1
: to deliver the keynote address at
2
: to set the keynote of
keynoter noun

keynoter

3 of 3

noun (2)

key·​not·​er
ˈkēˌnōtə(r)
-ōtə-
: one that sets the keynote
especially : one that delivers a keynote speech
to serve as temporary chairman and keynoter of the Republican national convention Current Biography

Examples of keynote in a Sentence

Noun (1) Humor is the keynote of the play. the need for a greater sense of self-reliance is the keynote of his self-help message
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
But Apple Intelligence is just one of the three big focus areas Apple outlined during its keynote this week. ArsTechnica, 11 June 2026 In a keynote speech in Croatia followed by an interview hosted by Deadline, veteran exec Henning Tewes outlined six main themes that would define the future of entertainment in Europe. Jesse Whittock, Deadline, 10 June 2026
Verb
The shows were announced and teased as part of two separate panel discussions to open Wednesday’s AI on the Lot conference, which took place on the Amazon MGM Studios lot in Culver City and was keynoted by Albert Cheng, Amazon MGM Studios’ chief operating officer. Brian Welk, IndieWire, 28 May 2026 Amazon is taking center stage at this year’s RTS London and will chair the bi-annual convention, with international chief Kelly Day set to keynote. Max Goldbart, Deadline, 6 May 2026 See All Example Sentences for keynote

Word History

First Known Use

Noun (1)

1677, in the meaning defined at sense 2

Verb

1877, in the meaning defined at sense 2

Noun (2)

1882, in the meaning defined above

Time Traveler
The first known use of keynote was in 1677

Browse Nearby Words

Cite this Entry

“Keynote.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keynote. Accessed 13 Jun. 2026.

Kids Definition

keynote

1 of 2 noun
key·​note ˈkē-ˌnōt How to pronounce keynote (audio)
1
: the first and harmonically fundamental tone of a scale
2
: the fundamental or central fact, idea, or mood
humor is the keynote of the play

keynote

2 of 2 verb
1
: to set the keynote of
2
: to give the keynote address at
keynoted the convention
keynoter noun

More from Merriam-Webster on keynote

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster