Standard Lemma guide

neoteny

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /niˈɒtəni/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /niˈɑːtəni/
  • CMU ARPABET: N IY0 AA1 T AH0 N IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The retention of juvenile characteristics in the adult.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, natural-sciences

Examples

  • Most amphibians are aquatic only while young, but some amphibians with neoteny remain aquatic even as adults.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The sexual maturity of an organism still in its larval stage.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

an evolutionary trend to be born earlier so that development is cut off at an earlier stage and juvenile characteristics are retained in adults of the species

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: evolutionary trend

History

Etymology

From German Neotenie, coined in 1884 by anatomist Julius Kollmann from Ancient Greek νέος (néos, “young”) + τείνειν (teínein, “to extend, spread or tense”).

Across languages

Translations

30 source translations are retained for this English entry.

  • Bashkir: неотения (neoteniya) — retention of juvenile characteristics in the adult
  • Chinese Mandarin: 幼態持續 /幼态持续 (yòutài chíxù) — retention of juvenile characteristics in the adult
  • Chinese Mandarin: 幼態延續 /幼态延续 (yòutài yánxù) — retention of juvenile characteristics in the adult
  • Finnish: neotenia — retention of juvenile characteristics in the adult
  • Finnish: vajaa yksilönkehitys — retention of juvenile characteristics in the adult
  • French: néoténie — retention of juvenile characteristics in the adult
  • Georgian: ნეოტენია (neoṭenia) — retention of juvenile characteristics in the adult
  • German: Neotenie — retention of juvenile characteristics in the adult
  • German: Verjugendlichung — retention of juvenile characteristics in the adult
  • Greek: νεοτενία (neotenía) — retention of juvenile characteristics in the adult
  • Irish: neoitineacht — retention of juvenile characteristics in the adult
  • Italian: neotenia — retention of juvenile characteristics in the adult
  • Japanese: ネオテニー (neotenī) — retention of juvenile characteristics in the adult
  • Japanese: 幼形成熟 (yōkei seijuku) — retention of juvenile characteristics in the adult
  • Japanese: 幼態成熟 (yōtai seijuku) — retention of juvenile characteristics in the adult
  • Kazakh: неотения (neoteniä) — retention of juvenile characteristics in the adult
  • Korean: 유형성숙 (yuhyeongseongsuk) — retention of juvenile characteristics in the adult
  • Kyrgyz: неотения (neoteniya) — retention of juvenile characteristics in the adult
  • Occitan: neotenia — retention of juvenile characteristics in the adult
  • Persian: نئوتنی — retention of juvenile characteristics in the adult
  • Polish: neotenia — retention of juvenile characteristics in the adult
  • Russian: неоте́ния (neoténija) — retention of juvenile characteristics in the adult
  • Spanish: neotenia — retention of juvenile characteristics in the adult
  • Swedish: neoteni — retention of juvenile characteristics in the adult
  • French: néoténie — sexual maturity of an organism still in its larval stage
  • Irish: neoitineacht — sexual maturity of an organism still in its larval stage
  • Italian: neotenia — sexual maturity of an organism still in its larval stage
  • Polish: neotenia — sexual maturity of an organism still in its larval stage
  • Russian: неоте́ния (neoténija) — sexual maturity of an organism still in its larval stage
  • Swedish: neoteni — sexual maturity of an organism still in its larval stage