perspicacious

American  

[pur-spi-key-shuhs] / ˌpɜr spɪˈkeɪ ʃəs /

adjective

1. having keen mental perception and understanding; discerning.

   to exhibit perspicacious judgment.

   Synonyms:

   penetrating, shrewd, acute, perceptive

   Antonyms:

   stupid, dull

2. Archaic. having keen vision.

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perspicacious British  

/ ˌpɜːspɪˈkeɪʃəs, ˌpɜːspɪˈkæsɪtɪ /

adjective

1. acutely perceptive or discerning

2. archaic having keen eyesight

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Other Word Forms

• perspicaciously adverb
• perspicaciousness noun
• perspicacity noun

Etymology

Origin of perspicacious

First recorded in 1610–20; perspicaci(ty) + -ous

Example Sentences

Concerts were free, and the playing was “perspicacious” and “well-drilled” according to reviews during the Nixon administration, when musicians could be as young as 11.

From Los Angeles Times

Crewe is perspicacious about marriage and other partnerships, the rituals couples employ, for good and ill.

From Washington Post

Shush’s mukhtar — the Levantine village equivalent of a mayor — was known to be perspicacious and wise, and he had brought a paved road and an electricity generator to the village, if not — yet — running water.

From New York Times

He said she was as “perspicacious as ever.”

From Washington Post

Moving on, as perspicacious readers may have noticed, the end of August 2020 was the 175th anniversary of the first issue of Scientific American.

From Scientific American