full-grown

US/ˈfʊlˌɡɹoʊn/

adjective

Fully developed; adult.

“Near-synonyms: full-fledged, full-blown, full-bore, full-on”

Meanings

adjectivefull-grown (not comparable)
  1. not comparableespecially animalsFully developed; adult.

    Synonyms: big, developed, grown up, grown-up, grownup, grown-ass

  2. not comparableFully developed in a broader sense; complete, at one’s height.

    Near-synonyms: full-fledged, full-blown, full-bore, full-on

    1 more example

    […] And, doubtless, unto thee is given ⁠A life that bears immortal fruit ⁠In such great offices as suit The full-grown energies of heaven.

    1850, [Alfred, Lord Tennyson], “Canto XXXIX”, in In Memoriam, London: Edward Moxon, […], →OCLC, page 61

    Synonyms: full-fledged, full-blown, full-bore, full-on

Synonyms & antonyms

adjectiveFully developed; adult.

adjectiveFully developed in a broader sense; complete, at one’s height.

Broader
Narrower

More synonyms by meaning

adjective(of animals) fully developed

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Middle English*fulgrowen
  2. Englishfull-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”).

Full word history & related roots →

Translations

Ancient Greek ἁδρός, τέλειος
  • ἁδρός (hadrós)having reached an adult stage - referring to an animal
  • τέλειος (téleios)having reached an adult stage - referring to an animal
Bulgarian напълно развит
  • напълно развит (napălno razvit)having reached an adult stage - referring to an animal
Latin mātūrus, grandis
  • mātūrushaving reached an adult stage - referring to an animal
  • grandishaving reached an adult stage - referring to an animal
Māori kātua
  • kātuahaving reached an adult stage - referring to an animal
Cite this entry
APA

full-grown. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/full-grown

MLA

“full-grown.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/full-grown. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “full-grown,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/full-grown.

Source: full-grown on Wiktionary, CC BY-SA 4.0.