ingenious

/ɪnˈd͡ʒiːnjəs/

//ɪnˈd͡ʒiːnjəs// adj

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

The verdict

“ingenious” is a moderately-common English word, ranked #18,347 in English word frequency and used as an adjective.

#18,347
frequency rank, English
9
letters
12
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of a person, displaying genius or brilliance; inventive.

Key facts for ingenious
PropertyValue
Headwordingenious
LanguageEnglish
Part of speechAdjective
IPA/ɪnˈd͡ʒiːnjəs/
Letters9
Frequency rank#18,347
Misspellings tracked12
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ingenious” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for ingenious is 9 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ɪnˈd͡ʒiːnjəs/. Corpus data places it at rank #18,347 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for ingenious, with forms such as "ignenious", "inegnious", and "ingeinous". 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. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Borrowed from Middle French ingénieux, from Old French engenious, from Latin ingeniōsus (“endowed with good natural capacity, gifted with genius”), from ingenium (“innate or natural quality, natural capacity, genius”), from in- (“in”) + gignere (“to produce… The correct English form is ingenious, spelled I-N-G-E-N-I-O-U-S.

Definition

  1. 1
    Of a person, displaying genius or brilliance; inventive.
  2. 2
    Of a thing, characterized by genius; cleverly contrived or done.
  3. 3
    Showing originality or sagacity; witty.

Etymology

Borrowed from Middle French ingénieux, from Old French engenious, from Latin ingeniōsus (“endowed with good natural capacity, gifted with genius”), from ingenium (“innate or natural quality, natural capacity, genius”), from in- (“in”) + gignere (“to produce”), Old Latin genere. See also engine.

This word in other languages

Common misspellings

Also misspelled as: ignenious,inegnious,ingeinous,ingeniosu,ingeniouss,ingeniuos,ingennious,ingenoius,inggenious,ingneious,inngenious,nigenious

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ingenious - 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.

ignenious2inegnious2ingeinous2ingeniosu2ingeniouss1ingeniuos2ingennious1ingenoius2
Edit distance from "ingenious"

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 "ingenious"?
"ingenious" is spelled I-N-G-E-N-I-O-U-S. The IPA pronunciation is /ɪnˈd͡ʒiːnjəs/.
What does "ingenious" mean?
As an adjective, "ingenious" means: Of a person, displaying genius or brilliance; inventive.
What are common misspellings of "ingenious"?
Common misspellings include "ignenious", "inegnious", "ingeinous", "ingeniosu", "ingeniouss". The correct spelling is "ingenious".
How do you pronounce "ingenious"?
The IPA (International Phonetic Alphabet) transcription for "ingenious" is /ɪnˈd͡ʒiːnjəs/. 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 "ingenious"?
Borrowed from Middle French ingénieux, from Old French engenious, from Latin ingeniōsus (“endowed with good natural capacity, gifted with genius”), from ingenium (“innate or natural quality, natural capacity, genius”), from in- (“in”) + gignere (“... 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 “ingenious”

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

  • The one correct English spelling is I-N-G-E-N-I-O-U-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ɪnˈd͡ʒiːnjəs/ (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