Meaning of plenipotentiary

plen•i•po•ten•ti•ar•y

Pronunciation: (plen"u-pu-ten'shē-er"ē, -shu-rē), [key]
— n., pl. adj. -ar•ies,
—n.
  1. a person, esp. a diplomatic agent, invested with full power or authority to transact business on behalf of another.
—adj.
  1. invested with full power or authority, as a diplomatic agent.
  2. conferring or bestowing full power, as a commission.
  3. absolute or full, as power.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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