idiocy

/ˈɪdiəsi/

//ˈɪdiəsi// noun

"idiocy" is a 6-letter English headword indexed on PlainSpell.

The verdict

“idiocy” has 8 generated spelling variants in the English index at frequency #32,037. The variants make it a useful spelling check.

#32,037
frequency rank, English
2,140
“I” headwords
8
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state or condition of being an idiot; the quality of having an intelligence level far below average.

Corpus desk

Index EN-idiocy · idiocy · English

idiocy · rank #32,037 · 8 variants · 3 confusables

  • FREQ-MID #32,037
  • LEN-LONG 6 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 3 pairs
  • VAR-MID 8 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH hygienic

Nearest frequency peer: hygienic (-1 rank slots)

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.

Rank peers near misspelling magnet “idiocy”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “idiocy” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

idiocy vs idiot
67% similar
idiocy vs idiom
67% similar
idiocy vs idiots
67% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for idiocy
PropertyValue
Headwordidiocy
LanguageEnglish
Part of speechNoun
IPA/ˈɪdiəsi/
Letters6
Frequency rank#32,037
Misspellings tracked8
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “idiocy”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).idiocylands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “hygienic” (#32,036), “imitated” (#32,038), “impersonal” (#32,039). Among 2,140 “I” headwords, “idiocy” is #32,037. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around idiocy (IPA /ˈɪdiəsi/), anoun. Corpus frequency is #32,037 among 2,140 “I” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for idiocy, with forms such as "diiocy", "iddiocy", and "idicoy". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 3 confusable-pair relationships, "idiot", "idiom", "idiots", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From French idiotie, from Old French idiot. Displaced earlier idiotacy, idiotry. Equivalent to idiot + -cy. By surface analysis, idio- + -cy. The correct English form is idiocy, spelled I-D-I-O-C-Y.

Definition

  1. 1
    The state or condition of being an idiot; the quality of having an intelligence level far below average.
  2. 2
    Lack of intelligence or sense; extremely foolish behaviour.
  3. 3
    An idiotic act or utterance.

Recorded use

Wiktionary examples

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

  1. The administrators, growing tired of such idiocy, put a new policy in place.
  2. The list of his idiocies is seemingly interminable.

Etymology

From French idiotie, from Old French idiot. Displaced earlier idiotacy, idiotry. Equivalent to idiot + -cy. By surface analysis, idio- + -cy.

Synonyms

This word in other languages

Common misspellings

Also misspelled as:

  • diiocy
  • iddiocy
  • idicoy
  • idioccy
  • idiocyy
  • idioyc
  • idoicy
  • iidocy

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of idiocy - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

diiocy2iddiocy1idicoy2idioccy1idiocyy1idioyc2idoicy2iidocy2
Edit distance from "idiocy"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "idiocy"?
"idiocy" is spelled I-D-I-O-C-Y. The IPA pronunciation is /ˈɪdiəsi/.
What does "idiocy" mean?
As a noun, "idiocy" means: The state or condition of being an idiot; the quality of having an intelligence level far below average.
What words are commonly confused with "idiocy"?
"idiocy" is commonly confused with "idiot", "idiom", "idiots". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "idiocy"?
The IPA (International Phonetic Alphabet) transcription for "idiocy" is /ˈɪdiəsi/. 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 "idiocy"?
From French idiotie, from Old French idiot. Displaced earlier idiotacy, idiotry. Equivalent to idiot + -cy. By surface analysis, idio- + -cy. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "idiocy", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list