illegitimate
/ɪlɪˈd͡ʒɪtɪmət/
"illegitimate" is a 12-letter English headword indexed on PlainSpell.
The verdict
“illegitimate” is a moderately-common English word, ranked #16,497 in English word frequency and used as an adjective.
- #16,497
- frequency rank, English
- 12
- letters
- 15
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not conforming to known principles, or established or accepted rules or standards.
| Property | Value |
|---|---|
| Headword | illegitimate |
| Language | English |
| Part of speech | Adjective |
| IPA | /ɪlɪˈd͡ʒɪtɪmət/ |
| Letters | 12 |
| Frequency rank | #16,497 |
| Misspellings tracked | 15 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “illegitimate” sits in English frequency
Spelling & Dictionary Insight
The English entry for illegitimate is 12 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ɪlɪˈd͡ʒɪtɪmət/. Corpus data places it at rank #16,497 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 15 likely wrong-spelling variants for illegitimate, with forms such as "ilegitimate", "ilelgitimate", and "illeggitimate". 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 confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: First attested in 1536, from Latin illēgitimus, most likely an adapted borrowing of Middle French illegitime, equivalent to il- + legitimate, see -ate (etymology 1, 2 and 3). The correct English form is illegitimate, spelled I-L-L-E-G-I-T-I-M-A-T-E.
Definition
- 1Not conforming to known principles, or established or accepted rules or standards.
- 2Not in accordance with the law.
- 3Not sanctioned by marriage.
- 4Not sanctioned by marriage.
- 5Not sanctioned by marriage.
- 6Not correctly deduced.
- 7Not authorized by good usage; not genuine.
- 8Involving the fertilization of pistils by stamens not of their own length, in heterogonously dimorphic and trimorphic flowers.
Etymology
First attested in 1536, from Latin illēgitimus, most likely an adapted borrowing of Middle French illegitime, equivalent to il- + legitimate, see -ate (etymology 1, 2 and 3).
Synonyms
Antonyms
This word in other languages
Common misspellings
Also misspelled as: ilegitimate,ilelgitimate,illeggitimate,illegiitmate,illegitiamte,illegitimaet,illegitimatte,illegitimmate,illegitimtae,illegitmiate,illegittimate,illegtiimate,illeigtimate,illgeitimate,lilegitimate
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of illegitimate - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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 "illegitimate"?
What does "illegitimate" mean?
What are common misspellings of "illegitimate"?
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Using “illegitimate”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-L-L-E-G-I-T-I-M-A-T-E - every other letter order is a misspelling in standard orthography.
- Say it as /ɪlɪˈd͡ʒɪtɪmət/ (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.