1
Core quality
Having keen insight, perception, and understanding.
Example
A perspicacious observer noticed the assumption others missed.
perspicacious
/ˌpɜːspɪˈkeɪʃəs/ · pur-spih-KAY-shusadjective
Having keen insight, perception, and understanding.
Use perspicacious to express this relationship precisely: having keen insight, perception, and understanding.
What perspicacious Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Attributive or predicative use
Use this adjective before a suitable noun or after a linking verb such as be or seem.
Example
Her perspicacious analysis anticipated later findings.
3
Analytical distinction
Choose it when this exact descriptive quality matters; a related word may overlap without conveying the same trait.
Example
The essay is both erudite and perspicacious.
Use perspicacious Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
A perspicacious observer noticed the assumption others missed.
Her perspicacious analysis anticipated later findings.
The essay is both erudite and perspicacious.
Precision Matters
Perspicacious overlaps with several common words, but each carries a different emphasis.
perspicacious
vs.Means having keen insight, perception, and understanding.
sagacious
Means showing sound judgment, practical wisdom, and insight.
perspicacious
vs.Means having keen insight, perception, and understanding.
prescient
Means showing accurate knowledge of events before they happen.
perspicacious
vs.Means having keen insight, perception, and understanding.
erudite
Means having or displaying extensive scholarly knowledge and learning.
perspicacious
vs.Means having keen insight, perception, and understanding.
credulous
Means too ready to believe claims and therefore easily deceived.
Test perspicacious in Context
The reading demonstrates unusually keen insight.
1
The critic's ___ reading exposes a subtle contradiction in the final paragraph.