full, complete, plenary, replete mean containing all that is wanted or needed or possible. full implies the presence or inclusion of everything that is wanted or required by something or that …

PLENARY definition: full; complete; entire; absolute; unqualified. See examples of plenary used in a sentence.

PLENARY meaning: 1. A plenary meeting is one at which all the members of a group or organization are present…. Learn more.

A plenary session or plenary meeting is one that is attended by everyone who has the right to attend.

There are eight meanings listed in OED's entry for the word plenary, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

1. Complete in all respects; unlimited or full: a diplomat with plenary powers. 2. Fully attended by all qualified members: a plenary session of the council.

Although the adjective plenary can be used to describe anything that is full or complete, it most often describes a full meeting session, as in a political meeting or a board meeting.

Dec 14, 2025 · plenary (comparative more plenary, superlative most plenary) Fully attended by a plenum; for everyone's attendance. plenary (plural plenaries) A plenary session. After lunch, …

ple•na•ry (plē′ nə rē, plen′ ə-), adj, n., pl. -ries. adj. full; complete; entire; absolute; unqualified: plenary powers. attended by all qualified members; fully constituted: a plenary session of …

Plenary definition: Complete in all respects; unlimited or full.