megalomaniac

/ˌmɛɡəloʊˈmeɪniæk/

//ˌmɛɡəloʊˈmeɪniæk// noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“megalomaniac” is uncommon English (frequency #65,302 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#65,302
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - One affected with or exhibiting megalomania.

Corpus desk

Index EN-megalomaniac · megalomaniac · English

megalomaniac · rank #65,302 · 0 variants · 0 confusables

  • FREQ-RARE #65,302
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH meads

Nearest frequency peer: meads (-2 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.

Long-tail ranks near “megalomaniac”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “megalomaniac” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for megalomaniac
PropertyValue
Headwordmegalomaniac
LanguageEnglish
Part of speechNoun
IPA/ˌmɛɡəloʊˈmeɪniæk/
Letters12
Frequency rank#65,302
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “megalomaniac” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).megalomaniacfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “meads” (#65,300), “micrometer” (#65,306), “McAdam” (#65,297). Among 4,057 “M” headwords, “megalomaniac” is #65,302. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

megalomaniac is uncommon English at frequency #65,302 among 4,057 “M” headwords, classed as anoun, transcribed /ˌmɛɡəloʊˈmeɪniæk/. Rarity is why readers land here mid-draft. Gloss: "One affected with or exhibiting megalomania.".

The misspelling generator found no plausible variants for megalomaniac, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: By surface analysis, megalomania + -ac, or, by surface analysis, megalo- + -maniac. The correct English form is megalomaniac, spelled M-E-G-A-L-O-M-A-N-I-A-C.

Definition

  1. 1
    One affected with or exhibiting megalomania.

Recorded use

Wiktionary example

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

  1. 'Well, I don't know him well enough yet to say, but I will admit that if he is not a mere bullying megalomaniac, and if what he says is true, then he certainly is in a class by himself.'

Etymology

By surface analysis, megalomania + -ac, or, by surface analysis, megalo- + -maniac.

This word in other languages

megalómano(Español)mégalomane(Français)Größenwahnsinniger(Deutsch)megalomaníaco(Português)

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 "megalomaniac"?
"megalomaniac" is spelled M-E-G-A-L-O-M-A-N-I-A-C. The IPA pronunciation is /ˌmɛɡəloʊˈmeɪniæk/.
What does "megalomaniac" mean?
As a noun, "megalomaniac" means: One affected with or exhibiting megalomania.
How do you pronounce "megalomaniac"?
The IPA (International Phonetic Alphabet) transcription for "megalomaniac" is /ˌmɛɡəloʊˈmeɪniæk/. 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 "megalomaniac"?
By surface analysis, megalomania + -ac, or, by surface analysis, megalo- + -maniac. 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 "megalomaniac", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

nonessential#65,348orienteering#65,367intransitive#65,214impermanence#65,202

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

Source: FrequencyWords open word-frequency list