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plenipotentiary

noun

  1. office or person with full power to represent someone else
L325596 on Wikidata ↗

Wiktionary

Pronunciation: /ˌplɛn.ɪ.pəʊˈtɛn.ʃəɹ.i/ / /ˌplɛn.ɪ.pəʊˈtɛn.ʃi.əɹ.i/ / /plɛn.ɪ.poʊˈtɛn.ʃ(i)əɹ.i/

adj

Etymology: From Medieval Latin plēnipotentiārius (“having full power”), Late Latin plēnipotēns, from plēnus (“full”) + potēns (“mighty, powerful”).

  1. Invested with full power.

    Near-synonyms: omnicompetent; omnipotent, almighty, all-powerful

    It was written of Henry George Ward, M.P. for Sheffield from 1837 to 1849, that "he was also much occupied with railway enterprise in the days of early speculation." This suggests a hard-bitten man of commerce, but Ward had served in the Diplomatic Service and he was Minister Plenipotentiary to Mexico before retiring in 1827 at the age of 30.

  2. Of or relating to a plenipotentiary agent

noun

Etymology: From Medieval Latin plēnipotentiārius (“having full power”), Late Latin plēnipotēns, from plēnus (“full”) + potēns (“mighty, powerful”).

  1. A person invested with full powers, especially as the diplomatic agent of a sovereign state, (originally) charged with handling a certain matter.

    None but the like-minded can come plenipotentiary to our court.

    1937, P. G. Wodehouse, 'Lord Emsworth and Others', Overlook, Woodstock: 2002, p 232. Meeting him in the street and ignoring the foul bowler hat he wore on his walks abroad, you would have put him down as a Bishop in mufti or, at the least, a plenipotentiary at one of the better courts.