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Meaning of sesquipedalian

ses•qui•pe•da•li•an

Pronunciation: (ses"kwi-pi-dā'lē-un, -dāl'yun), [key]
— adj.
—n.
  1. a sesquipedalian word.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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