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
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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