immune

/ɪˈmjuːn/

//ɪˈmjuːn// adj

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

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

The verdict

“immune” has 6 generated spelling variants in the English index at frequency #5,691. The variants make it a useful spelling check.

#5,691
frequency rank, English
17,902
“I” headwords
6
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Exempt; not subject to.

Visual similarity to commonly confused words

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

immune vs impure
67% similar
immune vs immense
71% similar

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

Key facts for immune
PropertyValue
Headwordimmune
LanguageEnglish
Part of speechAdjective
IPA/ɪˈmjuːn/
Letters6
Frequency rank#5,691
Misspellings tracked6
Confusable pairs2
SourceWiktionary (kaikki.org)

Where “immune” 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). immune lands here:

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

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

A misspelling magnet

The generator records 6 spelling variants around immune (IPA /ɪˈmjuːn/), anadjective. Corpus frequency is #5,691 among 17,902 “I” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 6 likely wrong-spelling variants for immune, with forms such as "immnue", "immuen", and "immunne". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 2 confusable-pair relationships, "impure", "immense", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English, from Middle French immun, from Latin immūnis (“exempt from public service”), from in- (“not”) + mūnus (“service”). The correct English form is immune, spelled I-M-M-U-N-E.

Definition

  1. 1
    Exempt; not subject to.
  2. 2
    Protected by inoculation, or due to innate resistance to pathogens.
  3. 3
    Not vulnerable.
  4. 4
    Of or pertaining to immunity.

Etymology

From Middle English, from Middle French immun, from Latin immūnis (“exempt from public service”), from in- (“not”) + mūnus (“service”).

Synonyms

-proofexemptimmuneimpenetrableimpermeableimperviousprotectedresistantunaffectableunsusceptible

Antonyms

susceptiblevulnerableaffectablenonimmune

This word in other languages

inmune(Español)immun(Français)immun(Deutsch)imune(Português)

Common misspellings

Also misspelled as:

  • immnue
  • immuen
  • immunne
  • imumne
  • imune
  • mimune

Misspelling Pattern Breakdown

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

immnue2immuen2immunne1imumne2imune1mimune2
Edit distance from "immune"

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 "immune"?
"immune" is spelled I-M-M-U-N-E. The IPA pronunciation is /ɪˈmjuːn/.
What does "immune" mean?
As an adjective, "immune" means: Exempt; not subject to.
What words are commonly confused with "immune"?
"immune" is commonly confused with "impure", "immense". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "immune"?
The IPA (International Phonetic Alphabet) transcription for "immune" is /ɪˈmjuːn/. 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 "immune"?
From Middle English, from Middle French immun, from Latin immūnis (“exempt from public service”), from in- (“not”) + mūnus (“service”). 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 “immune”

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

  • The one correct English spelling is I-M-M-U-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ɪˈmjuːn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “impure” - see the side-by-side comparison. immune vs impure
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

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