keynote

/ˈkiːnəʊt/ (bre, ipa) · /ˈkiːnəʊt/ (ame, ipa) · /ˈkē-ˌnōt/ (ame, mw)

keynote — noun

  • keynotesingular
  • keynotesplural

1. the main idea or message that runs through a speech, book, or event, giving it a

1.名詞B2
釋義

the main idea or message that runs through a speech, book, or event, giving it a clear focus and direction

例句

Élise opened with a short story that introduced the keynote of the entire conference.

keynote of [event] as central theme

The keynote of the speech on climate change was the urgent need for local action.

the keynote of [speech/document]

同義詞
  • theme

    more general; keynote suggests the single most important or defining idea

  • core

    focuses on the essential centre of something rather than its guiding idea

  • gist

    refers to the general meaning rather than a central principle or mood

  • main thread

    emphasises continuity through a piece of writing or speech

反義詞
  • aside

    a remark that is off the main topic

  • digression

    a temporary move away from the main subject

文法句型

the keynote of [something]

用法筆記

This sense is almost always singular and used with the definite article the or a possessive determiner.

常見錯誤

The keynotes of her speech were hard work.
The keynote of her speech was hard work.
💡this sense is typically singular even when the theme has multiple parts.

2. in music, the starting note of a scale from which the scale's key takes its name

2.名詞C1
釋義

in music, the starting note of a scale from which the scale's key takes its name

例句

In C major, the keynote is C and all other notes relate back to it.

Yuna practised identifying the keynote of each scale before playing the full set of notes.

identifying the keynote of each scale

同義詞
  • tonic

    the technical term for the keynote; more common in formal music theory

  • fundamental

    used for the lowest note of a chord rather than the tonal centre of a key

文法句型

the keynote of [a scale]

用法筆記

Also called the tonic. In Western music theory, the keynote is the tonal centre of a piece — the note that feels like 'home.' This sense is mainly found in music education and theory contexts.

3. the most important speech at a conference or formal gathering, which establishes

3.名詞B2
釋義

the most important speech at a conference or formal gathering, which establishes the main topic and sets the tone for the event

例句

Professor Renata Okonkwo will deliver the keynote at the international education summit next week.

deliver the keynote — most common verb collocation

The organisers chose a Nobel laureate to give the keynote address on the opening morning.

keynote address as attributive noun

同義詞
  • keynote address

    full form; more formal than keynote alone

  • opening address

    focuses on timing (first speech) rather than importance or theme-setting

  • plenary talk

    a talk given to the whole conference audience, not necessarily the most important one

文法句型

keynote speech

keynote address

give a keynote

用法筆記

Often used as an attributive noun before address or speech (keynote address, keynote speech). The verb give or deliver is the most common collocation.

常見錯誤

He gave a keynote in the meeting.
He gave a keynote address at the medical conference.
💡keynote in the 'speech' sense usually implies a large formal event, not a routine meeting.

keynote — verb