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keynote

KEE-noht /ˈkiːnoʊt/

nounadjectiveC1SATTOEFL

businessprofessional

A central theme, or the principal address at a conference that sets the tone and outlines the core message.

Represents the defining, high-profile speech that establishes the intellectual framework for the entire event.

The story behind the word. Originally from a mid-18th-century musical term referring to the note on which a key or scale is based, which establishes the harmonic foundation of a piece. It was later metaphorically applied to public speaking.

Word relationships

principal speech: A principal speech is simply the main talk, whereas a keynote specifically sets the thematic tone for other speeches.
headliner: A headliner is the main attraction in entertainment, while a keynote is the thematic anchor of a professional event.

footnote: A minor, peripheral piece of information, contrasting with the central importance of a keynote.

Commonly confused with

keystone: A keystone is the central stone at the top of an arch that locks it together, while a keynote is a musical or thematic term.

Word family

keynotes (noun): Plural form of keynote.
keynoted (verb): Delivered the keynote speech.

Collocations

keynote address
keynote speaker
deliver the keynote
keynote theme

Example sentences

"Her speech on sustainability served as the keynote of the entire convention." Describing the opening speech of a major environmental convention.

Memory hook

The 'key' note is the musical note that unlocks the melody of the entire conference. The key that sets the tone.

When not to use

Do not use for a minor, technical presentation or a casual announcement.

Fun facts

Before digital presentations, keynote speakers often literally blew a pitch pipe to establish the 'keynote' for a choral gathering.