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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

per·spi·ca·cious

Audio Help [pur-spi-key-shuh

s] Pronunciation Key

–adjective

1.	having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.

2.	Archaic. having keen vision.

[Origin: 1610–20; perspicaci(ty) + -ous

]

—Related forms

per·spi·ca·cious·ly, adverb

per·spi·ca·cious·ness, noun

—Synonyms 1. perceptive, acute, shrewd, penetrating.

—Antonyms 1. dull, stupid.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
perspicacious

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American Heritage Dictionary - Cite This Source - Share This

per·spi·ca·cious Audio Help (pûr'spĭ-kā'shəs) Pronunciation Key
adj. Having or showing penetrating mental discernment; clear-sighted. See Synonyms at shrewd.

[From Latin perspicāx, perspicāc-, from perspicere, to look through; see perspective.]

per'spi·ca'cious·ly adv., per'spi·ca'cious·ness n.

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The American Heritage® Dictionary of the English Language, Fourth Edition
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WordNet - Cite This Source - Share This

perspicacious
adjective
1.	acutely insightful and wise; "much too perspicacious to be taken in by such a spurious argument"; "observant and thoughtful, he was given to asking sagacious questions"; "a source of valuable insights and sapient advice to educators"
2.	mentally acute or penetratingly discerning; "too clear-eyed not to see what problems would follow"; "chaos could be prevented only by clear-sighted leadership"; "much too perspicacious to be taken in by so spurious an argument" [syn: clear-eyed]