sagacious
Americanadjective
-
having or showing acute mental discernment and keen practical sense; shrewd.
Socrates, that sagacious Greek philosopher, believed that the easiest way to learn was by asking questions.
- Synonyms:
- perspicacious, keen, sharp, acute, judicious, intelligent, clever, discerning, sage, wise
- Antonyms:
- unwise
-
Obsolete. having an acute sense of smell.
adjective
-
having or showing sagacity; wise
-
obsolete (of hounds) having an acute sense of smell
Other Word Forms
Derived Forms
Etymology
Origin of sagacious
First recorded in 1600–10; sagaci(ty) + -ous
Explanation
Use the formal adjective sagacious to describe someone who is wise and insightful like an advisor to the president or a Supreme Court justice. Someone like an inspirational leader or an expert in a field who seeks knowledge and has foresight can be described as sagacious. If you comment on something at a deeper level, you are making a sagacious observation. The word is a descendent of Latin sagus "prophetic" and is related to the Old English word seek. Synonyms include discerning, insightful and another formal word perspicacious.
Vocabulary lists containing sagacious
"The Black Cat" by Edgar Allan Poe
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Grade 11, List 5
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Leadership Vocabulary
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Now the trades look sagacious, as 8000 seems attainable.
From Barron's • Jun. 3, 2026
Not many countries are often blessed with as sagacious a leader as Mariano, but many a family and institution will, through him, be reminded of the worth of such august figures.
From The Wall Street Journal • Dec. 4, 2025
“Even at an early age, Charlie showed sagacious negotiating ability, and usually gained a bigger specimen or one with unusual coloring,” Broggie wrote.
From Los Angeles Times • Nov. 28, 2023
So the midfielder was inserted alongside 18-year-old Ricardo Pepi and 20-year-olds Brenden Aaronson and Sergiño Dest in an American lineup captained by Tyler Adams, a sagacious 22-year-old.
From Seattle Times • Oct. 8, 2021
The Water Angel is of the sagacious variety—wise beyond her years, which says a lot, considering how old she is.
From "Dry" by Neal Shusterman and Jarrod Shusterman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
