placidity

/pləˈsɪd.ə.ti/

//pləˈsɪd.ə.ti// noun

"placidity" is a 9-letter English headword indexed on PlainSpell.

The verdict

“placidity” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being placid; peacefulness.

Corpus desk

Index EN-placidity · placidity · English

placidity · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for placidity
PropertyValue
Headwordplacidity
LanguageEnglish
Part of speechNoun
IPA/pləˈsɪd.ə.ti/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “placidity” in English

placidityfalls 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.

Rare enough to double-check

placidity is uncommon English outside the top frequency list, classed as anoun, transcribed /pləˈsɪd.ə.ti/. Rarity is why readers land here mid-draft. Gloss: "The state of being placid; peacefulness.".

No generated misspelling entries exist for placidity in our index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From placid + -ity, from Latin placiditās (“mildness, placidity”). The correct English form is placidity, spelled P-L-A-C-I-D-I-T-Y.

Definition

  1. 1
    The state of being placid; peacefulness.

Recorded use

Wiktionary examples

These source excerpts show how placidity appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. And how could she bear such behaviour! Composure with a witness! to look on, while repeated attentions were offering to another woman, before her face, and not resent it.—That is a degree of placidity, which I can neither comprehend nor respect.
  2. Thus, in rapid succession, passed the thoughts of Rosilia, who, endeavouring to assume placidity, once more essayed to express her thanks to Mrs. Melbourne for her kind attentions,[…]

Etymology

From placid + -ity, from Latin placiditās (“mildness, placidity”).

Synonyms

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 "placidity"?
"placidity" is spelled P-L-A-C-I-D-I-T-Y. The IPA pronunciation is /pləˈsɪd.ə.ti/.
What does "placidity" mean?
As a noun, "placidity" means: The state of being placid; peacefulness.
How do you pronounce "placidity"?
The IPA (International Phonetic Alphabet) transcription for "placidity" is /pləˈsɪd.ə.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 "placidity"?
From placid + -ity, from Latin placiditās (“mildness, placidity”). 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.

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

Source: FrequencyWords open word-frequency list