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Definition of keynote

keynote

/ˈkiːnoʊt/
key · note

Plural:keynotes
•
Past Simple:keynoted
•
Past Participle:keynoted
•
Present Participle:keynoting
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keynote Lexical Profile

keynote Game Scores & Validity

• noun

1

A primary speech or address delivered at a conference, convention, or public assembly to establish the central theme and set the tone for the event.

Example

"The chief executive delivered an inspiring keynote at the annual technology conference."


2

A prevailing tone, central idea, or fundamental principle in a literary work, policy, or course of action.

Example

"Fiscal responsibility remained the keynote of the administration's economic policy."


3

The first and lowest note of a diatonic musical scale, upon which a key or system of tones is founded.

Example

"The symphony resolves powerfully back to its original keynote in the final measure."

Synonyms
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• verb

1

To deliver the primary speech or address at (a conference, convention, or formal gathering).

Example

"A Nobel Prize winner was invited to keynote the international medical symposium."


2

To serve as the central theme, prevailing tone, or guiding principle of (something).

Example

"Environmental sustainability keynoted the architectural firm's latest urban renewal proposal."

Synonyms
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Word Origin & Etymology

Coined in the late 18th century as a musical term combining 'key' (in the sense of a harmonic scale) and 'note'; its figurative extension to a central theme or opening address emerged in the mid-19th century.

Cite this Entry


Wordmom. (2026). Definition of Keynote. In Wordmom Dictionary. Retrieved Nov 2, 2026, from https://wordmom.com/dictionary/keynote
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