adj · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˌpɜː.spɪˈkeɪ.ʃəs/
US:pûr'spĭ·kā'shəs
US:/ˌpɜːɹ.spɪˈkeɪ.ʃəs/
US:Recorded audio is listed in the source snapshot.
rhymes with -eɪʃəs
CMU ARPABET:P ER0 S P AH0 K EY1 SH AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of acute discernment; having keen insight; mentally perceptive.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Able to physically see clearly; quick-sighted; sharp-sighted.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective satellite
Meaning 3
mentally acute or penetratingly discerning
Definition source: Princeton WordNet 3.0
Examples
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
Meaning relationships
Synonyms: clear-eyed, clear-sighted
Antonyms: none provided
4
adjective satellite
Meaning 4
acutely insightful and wise
Definition source: Princeton WordNet 3.0
Examples
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
Meaning relationships
Synonyms: sagacious, sapient
Antonyms: none provided
History
Etymology
First attested 1548, from Late Latin perspicācitās (“discernment”), from Latin perspicax (“sharp-sighted”), from perspiciō (“look through”), from per- (“through”) + speciō (“look at”). See also perspective.
Across languages
Translations
59 source translations are retained for this English entry.