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Definition of plenary

plenary

/ˈpliː.nə.ri/
ple · na · ry
Adverb:plenarily
•
Plural:plenaries
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plenary Lexical Profile

plenary Game Scores & Validity

• adjective

1

Attended by or open to all members of a legislative body, assembly, or conference, without anyone being excluded.

Example

"After three days of smaller committee meetings, the delegates gathered in the main hall for the final plenary session."

2

Unqualified or absolute in scope or authority; complete in every respect.

Example

"The diplomat was granted plenary power to negotiate and sign the peace treaty on behalf of the government."

Synonyms
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Antonyms
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• noun

1

A plenary session or meeting of an assembly or conference attended by all participants.

Example

"The keynote speaker will address the entire conference during tomorrow morning's plenary."

Synonyms
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• Rhymes for plenary

• Nearby Words

pledger
pleiades
pleione
plenary
plenitude
plenteous
plentiful

Word Origin & Etymology

Borrowed from Late Latin plenarius ('entire, complete'), derived from Latin plenus ('full').

Cite this Entry

Wordmom. (2026). Definition of Plenary. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/plenary
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