full-grown

/ˈfʊlˌɡɹoʊn/

//ˈfʊlˌɡɹoʊn// adj

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

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fully developed; adult.

Corpus desk

Index EN-full-grown · full-grown · English

full-grown · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" 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 full-grown
PropertyValue
Headwordfull-grown
LanguageEnglish
Part of speechAdjective
IPA/ˈfʊlˌɡɹoʊn/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “full-grown” in English

full-grownranks 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

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

full-grown has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English *fulgrowen, fulgrowe, ful growe, equivalent to full + grown. Compare Middle English fulwaxen, fullwaxen (“full-grown”), from Old English fullweaxen (“full-grown”). The correct English form is full-grown, spelled F-U-L-L---G-R-O-W-N.

Definition

  1. 1
    Fully developed; adult.
  2. 2
    Fully developed in a broader sense; complete, at one’s height.

Recorded use

Wiktionary examples

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

  1. Near-synonyms: full-fledged, full-blown, full-bore, full-on
  2. […] And, doubtless, unto thee is given ⁠A life that bears immortal fruit ⁠In such great offices as suit The full-grown energies of heaven.

Etymology

From Middle English *fulgrowen, fulgrowe, ful growe, equivalent to full + grown. Compare Middle English fulwaxen, fullwaxen (“full-grown”), from Old English fullweaxen (“full-grown”).

Synonyms

Antonyms

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 "full-grown"?
"full-grown" is spelled F-U-L-L---G-R-O-W-N. The IPA pronunciation is /ˈfʊlˌɡɹoʊn/.
What does "full-grown" mean?
As an adjective, "full-grown" means: Fully developed; adult.
How do you pronounce "full-grown"?
The IPA (International Phonetic Alphabet) transcription for "full-grown" is /ˈfʊlˌɡɹoʊn/. 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 "full-grown"?
From Middle English *fulgrowen, fulgrowe, ful growe, equivalent to full + grown. Compare Middle English fulwaxen, fullwaxen (“full-grown”), from Old English fullweaxen (“full-grown”). See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list