- 1(of meetings, etc.) to be attended by everyone who has the right to attend The new committee holds its first plenary session this week.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- 2without any limit; complete The Council has plenary powers to administer the agreement.
plenary
adjectiveNAmE//ˈplɛnəri//, NAmE//ˈplinəri//
[only before noun] (formal)Check pronunciation: plenary