marsupial

/mɑːˈsuː.pi.əl/

//mɑːˈsuː.pi.əl// noun

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

The verdict

“marsupial” is uncommon English (frequency #58,833 among 36,575 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#58,833
frequency rank, English
36,575
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any member of the mammalian infraclass Marsupialia, including those where the female has a pouch in which it rears its young through early infancy, such as kangaroos, koalas, wombats and opossums, ...

Key facts for marsupial
PropertyValue
Headwordmarsupial
LanguageEnglish
Part of speechNoun
IPA/mɑːˈsuː.pi.əl/
Letters9
Frequency rank#58,833
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “marsupial” 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). marsupial lands here:

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

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

Rare enough to double-check

marsupial is uncommon English at frequency #58,833 among 36,575 “M” headwords, classed as anoun, transcribed /mɑːˈsuː.pi.əl/. Rarity is why readers land here mid-draft. Gloss: "Any member of the mammalian infraclass Marsupialia, including those where the female has a pouch in which it rears its young through early infancy, such as kangaroos, koalas, wombats and opossums, ...".

Zero misspellings are on record for marsupial in our index, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Latin marsupium, marsuppium (“pouch, purse”), from Ancient Greek μαρσύπιον (marsúpion) or μαρσύππιον (marsúppion), variants of μαρσίππιον (marsíppion), diminutive of μάρσιππος (mársippos, “bag, pouch”); with English -al. The correct English form is marsupial, spelled M-A-R-S-U-P-I-A-L.

Definition

  1. 1
    Any member of the mammalian infraclass Marsupialia, including those where the female has a pouch in which it rears its young through early infancy, such as kangaroos, koalas, wombats and opossums, as well as the pouchless shrew opossums.

Etymology

From Latin marsupium, marsuppium (“pouch, purse”), from Ancient Greek μαρσύπιον (marsúpion) or μαρσύππιον (marsúppion), variants of μαρσίππιον (marsíppion), diminutive of μάρσιππος (mársippos, “bag, pouch”); with English -al.

Synonyms

marsupialmarsupianmarsupiate

This word in other languages

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 "marsupial"?
"marsupial" is spelled M-A-R-S-U-P-I-A-L. The IPA pronunciation is /mɑːˈsuː.pi.əl/.
What does "marsupial" mean?
As a noun, "marsupial" means: Any member of the mammalian infraclass Marsupialia, including those where the female has a pouch in which it rears its young through early infancy, such as kangaroos, koalas, wombats and opossums, ...
How do you pronounce "marsupial"?
The IPA (International Phonetic Alphabet) transcription for "marsupial" is /mɑːˈsuː.pi.əl/. 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 "marsupial"?
From Latin marsupium, marsuppium (“pouch, purse”), from Ancient Greek μαρσύπιον (marsúpion) or μαρσύππιον (marsúppion), variants of μαρσίππιον (marsíppion), diminutive of μάρσιππος (mársippos, “bag, pouch”); with English -al. 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 “marsupial”

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

  • The one correct English spelling is M-A-R-S-U-P-I-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as /mɑːˈsuː.pi.əl/ (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

Other uncommon English words near this rank

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