From Longman Dictionary of Contemporary Englishkeynotekey‧note1 /ˈkiːnəʊt $ -noʊt/ noun [countable] MAINthe main point in a book, system of beliefs, activity etc that influences everything elsekeynote of Unprecedented change has been the keynote of the electronic revolution.
Examples from the Corpus
keynote• Its keynote is not anger but scorn.• We have just said that the development of consciousness is the keynote of all creation.• Flexibility is the keynote and is a feature often recommended in pilot studies preliminary to a full-scale study.keynote of• Creating jobs was the keynote of Dyson's campaign.keynotekeynote2 adjective [only before noun] relating to the most important part of a formal meeting, report etckeynote speech/address/lecture etc He is scheduled to deliver the keynote address at an awards ceremony. Bill Gates is booked as the keynote speaker.Examples from the Corpus
keynote speaker• Is it the party that selected Susan Molinari, a moderate, pro-choice congresswoman, as its keynote speaker?• While serving as state treasurer, Ann Richards was the keynote speaker at the Democrats' 1988 convention in Atlanta.• The keynote speaker had wound up to polite applause.• I thank you for the honour of being asked to be your keynote speaker tonight.• The keynote speaker was Arthur Goldberg, now a Supreme Court justice.keynotekeynote3 verb [intransitive, transitive] to give the keynote speech at a formal meeting, ceremony etc The event is usually keynoted by the prime minister.→ See Verb tableExamples from the Corpus
keynote• Mr. Graham is expected to keynote the conference.From Longman Business Dictionarykeynotekey‧note /ˈkiːnəʊt-noʊt/ adjective keynote address/speech the most important speech at a large meetingA question-and-answer session followed the Chancellor’s keynote speech at the CBI conference. 