polysynthetic

/ˌpɒlisɪnˈθɛtɪk/

//ˌpɒlisɪnˈθɛtɪk// adj

"polysynthetic" is a 13-letter English headword indexed on PlainSpell.

The verdict

“polysynthetic” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Characterized by a prevalence of relatively long words containing a large number of morphemes. Typically, the morphemes are bound.

Corpus desk

Index EN-polysynthetic · polysynthetic · English

polysynthetic · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for polysynthetic
PropertyValue
Headwordpolysynthetic
LanguageEnglish
Part of speechAdjective
IPA/ˌpɒlisɪnˈθɛtɪk/
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “polysynthetic” in English

polysyntheticranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

polysynthetic is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˌpɒlisɪnˈθɛtɪk/. Rarity is why readers land here mid-draft. 2 senses are on record.

No misspelling variants are generated for polysynthetic in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From poly- + synthetic. The correct English form is polysynthetic, spelled P-O-L-Y-S-Y-N-T-H-E-T-I-C.

Definition

  1. 1
    Characterized by a prevalence of relatively long words containing a large number of morphemes. Typically, the morphemes are bound.
  2. 2
    Having layers of twin crystals

Recorded use

Wiktionary example

These source excerpts show how polysynthetic appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. "No doubt, sir," Summerlee answered. "Like all such tribes, I shall expect to find them of polysynthetic speech and of Mongolian type." "Polysynthetic certainly," said Challenger, indulgently.

Etymology

From poly- + synthetic.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "polysynthetic"?
"polysynthetic" is spelled P-O-L-Y-S-Y-N-T-H-E-T-I-C. The IPA pronunciation is /ˌpɒlisɪnˈθɛtɪk/.
What does "polysynthetic" mean?
As an adjective, "polysynthetic" means: Characterized by a prevalence of relatively long words containing a large number of morphemes. Typically, the morphemes are bound.
How do you pronounce "polysynthetic"?
The IPA (International Phonetic Alphabet) transcription for "polysynthetic" is /ˌpɒlisɪnˈθɛtɪk/. 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 "polysynthetic"?
From poly- + synthetic. 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list