extinct

/ɪkˈstɪŋkt/

//ɪkˈstɪŋkt// adj

"extinct" is a 7-letter English headword indexed on PlainSpell.

The verdict

“extinct” is a moderately-common English word, ranked #11,889 in English word frequency and used as an adjective.

#11,889
frequency rank, English
7
letters
11
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of fire, etc.: no longer alight; of a light, etc.: no longer shining; extinguished, quenched.

Visual similarity to commonly confused words

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

extinct vs extract
71% similar
extinct vs extent
71% similar
extinct vs extant
71% similar

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

Key facts for extinct
PropertyValue
Headwordextinct
LanguageEnglish
Part of speechAdjective
IPA/ɪkˈstɪŋkt/
Letters7
Frequency rank#11,889
Misspellings tracked11
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “extinct” 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). extinct 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 extinct is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ɪkˈstɪŋkt/. Corpus data places it at rank #11,889 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 11 likely wrong-spelling variants for extinct, with forms such as "etxinct", "exitnct", and "exticnt". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 3 confusable-pair relationships, "extract", "extent", "extant", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Late Middle English extinct (“eliminated, eradicated, extinguished”), from Latin extīnctus, exstīnctus (“extinguished, quenched; destroyed, killed; made extinct”), the perfect passive participles of extinguō, exstinguō (“to extinguish, put out, quench;… The correct English form is extinct, spelled E-X-T-I-N-C-T.

Definition

  1. 1
    Of fire, etc.: no longer alight; of a light, etc.: no longer shining; extinguished, quenched.
  2. 2
    Of feelings, a person's spirit, a state of affairs, etc.: put out, as if like a fire; quenched, suppressed.
  3. 3
    Of customs, ideas, laws and legal rights, offices, organizations, languages, etc.: no longer existing or in use; defunct, discontinued, obsolete; specifically, of a title of nobility: no longer having any person qualified to hold it.
  4. 4
    Of an animal or plant species or group of species, a group of people, a family, etc., having no living members, representatives, or descendants.
  5. 5
    Of a geological feature: no longer active; specifically, of a volcano: no longer erupting.
  6. 6
    Of a radioisotope: no longer occurring primordially due to having decayed away completely, because it has a relatively short half-life.
  7. 7
    Of a person: dead; also, permanently separated from others.

Etymology

From Late Middle English extinct (“eliminated, eradicated, extinguished”), from Latin extīnctus, exstīnctus (“extinguished, quenched; destroyed, killed; made extinct”), the perfect passive participles of extinguō, exstinguō (“to extinguish, put out, quench; (figurative) to abolish; to destroy, kill”), from ex- (prefix meaning ‘away; out’) + stinguō (“to extinguish, put out, quench”) (from Proto-Indo-European *stengʷ- (“to push”)). The Middle English word displaced Middle English aqueint, aquenched (“extinct; extinguished”). Doublet of extinguish.

This word in other languages

Common misspellings

Also misspelled as: etxinct,exitnct,exticnt,extincct,extinctt,extinnct,extintc,extnict,exttinct,exxtinct,xetinct

Misspelling Pattern Breakdown

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

etxinct2exitnct2exticnt2extincct1extinctt1extinnct1extintc2extnict2
Edit distance from "extinct"

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 "extinct"?
"extinct" is spelled E-X-T-I-N-C-T. The IPA pronunciation is /ɪkˈstɪŋkt/.
What does "extinct" mean?
As an adjective, "extinct" means: Of fire, etc.: no longer alight; of a light, etc.: no longer shining; extinguished, quenched.
What words are commonly confused with "extinct"?
"extinct" is commonly confused with "extract", "extent", "extant". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "extinct"?
The IPA (International Phonetic Alphabet) transcription for "extinct" is /ɪkˈstɪŋkt/. 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 "extinct"?
From Late Middle English extinct (“eliminated, eradicated, extinguished”), from Latin extīnctus, exstīnctus (“extinguished, quenched; destroyed, killed; made extinct”), the perfect passive participles of extinguō, exstinguō (“to extinguish, put ou... 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 “extinct”

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

  • The one correct English spelling is E-X-T-I-N-C-T - every other letter order is a misspelling in standard orthography.
  • Say it as /ɪkˈstɪŋkt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “extract” - see the side-by-side comparison. extinct vs extract
  • 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