perspicacity

/ˌpɜː.spɪˈkæs.ɪ.ti/

//ˌpɜː.spɪˈkæs.ɪ.ti// noun

"perspicacity" is a 12-letter English headword indexed on PlainSpell.

The verdict

“perspicacity” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Acute discernment or understanding; insight.

Key facts for perspicacity
PropertyValue
Headwordperspicacity
LanguageEnglish
Part of speechNoun
IPA/ˌpɜː.spɪˈkæs.ɪ.ti/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “perspicacity” sits in English frequency

perspicacity falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for perspicacity is 12 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌpɜː.spɪˈkæs.ɪ.ti/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

perspicacity has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From From perspicac(ious) + -ity, from Middle French perspicacité, from Latin perspicācitās (“sharpsightedness, discrimination”), from perspicio, from per- + specio, "see through (something)". The correct English form is perspicacity, spelled P-E-R-S-P-I-C-A-C-I-T-Y.

Definition

  1. 1
    Acute discernment or understanding; insight.
  2. 2
    The human faculty or power to mentally grasp or understand clearly.
  3. 3
    Keen eyesight.

Etymology

From From perspicac(ious) + -ity, from Middle French perspicacité, from Latin perspicācitās (“sharpsightedness, discrimination”), from perspicio, from per- + specio, "see through (something)".

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "perspicacity"?
"perspicacity" is spelled P-E-R-S-P-I-C-A-C-I-T-Y. The IPA pronunciation is /ˌpɜː.spɪˈkæs.ɪ.ti/.
What does "perspicacity" mean?
As a noun, "perspicacity" means: Acute discernment or understanding; insight.
How do you pronounce "perspicacity"?
The IPA (International Phonetic Alphabet) transcription for "perspicacity" is /ˌpɜː.spɪˈkæs.ɪ.ti/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "perspicacity"?
From From perspicac(ious) + -ity, from Middle French perspicacité, from Latin perspicācitās (“sharpsightedness, discrimination”), from perspicio, from per- + specio, "see through (something)". See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “perspicacity”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is P-E-R-S-P-I-C-A-C-I-T-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌpɜː.spɪˈkæs.ɪ.ti/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list