keynote

KEE-noht /ˈkiː.noʊt/
nounadjectiveC1SATTOEFLIELTSGRE
generalformal

The principal speech or underlying theme delivered at a gathering that establishes the main tone or message.

Refers to the central featured address or foundational governing idea of an event.

The story behind the word. Originally an 18th-century musical term for the initial note played to set the key for a singing choir. By the 19th century, it expanded metaphorically to describe speeches that set the main theme for an assembly.

Word relationships

  • plenary address: Plenary address specifies a session attended by all conference members, whereas keynote focuses on setting the central tone and theme.

Commonly confused with

  • valedictory: A valedictory is a farewell speech by a top student, while a keynote address is the primary thematic speech by a featured guest.

Collocations

  • keynote speech
  • keynote address
  • keynote speaker

Idioms & expressions

  • set the keynote

Example sentences

  • "The Nobel laureate delivered a moving keynote address during commencement." Commencement address
  • "Her keynote speech emphasized the responsibility of young scholars in an AI-driven era." Event theme

Memory hook

The KEY NOTE unlocks the main pitch of the whole event! Pitch-setting main speech.

When not to use

Do not use for brief administrative remarks or casual introductory words.

Fun facts

  • A cappella groups still rely on a pitch pipe to sound the literal keynote before singing without instruments.
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