noun · 4 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.
General-American:/ˈætəˌvɪzəm/
General-American:[ˈæɾəˌvɪzəm]
General-American:Recorded audio is listed in the source snapshot.
CMU ARPABET:AE1 T AH0 V IH0 Z AH0 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The reappearance of an ancestral characteristic in an organism after several generations of absence; a throwback.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The recurrence or reversion to a past behaviour, method, characteristic or style after a long period of absence.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A reversion to past primitive behavior, especially violence.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
a reappearance of an earlier characteristic
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: reversion, throwback
Antonyms: none provided
Broader terms: recurrence, return
History
Etymology
Etymology tree Proto-Indo-European *h2éd Proto-Italic *ad Proto-Italic *ad- Latin at- Proto-Indo-European *h2éwh2os Latin avus Latin atavus Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ῐσμός (-ĭsmós)der. Latin -ismusbor. French -isme French atavismebor. English atavism Borrowed from French atavisme.. By surface analysis, at- (“to”) + Latin av(us) (“grandfather, ancestor”) + -ism. Compare ancestorism.
Across languages
Translations
27 source translations are retained for this English entry.
Albanian:
atavizëm
— reappearance of an ancestral characteristic
Bashkir:
атавизм
(atavizm)
— reappearance of an ancestral characteristic
Catalan:
atavisme
— reappearance of an ancestral characteristic
Chinese Mandarin:
隔代遺傳 /隔代遗传
(gédài yíchuán)
— reappearance of an ancestral characteristic
Chinese Mandarin:
返祖現象 /返祖现象
(fǎnzǔ xiànxiàng)
— reappearance of an ancestral characteristic
Czech:
atavismus
— reappearance of an ancestral characteristic
Finnish:
atavismi
— reappearance of an ancestral characteristic
French:
atavisme
— reappearance of an ancestral characteristic
Galician:
atavismo
— reappearance of an ancestral characteristic
German:
Atavismus
— reappearance of an ancestral characteristic
Greek:
αταβισμός
(atavismós)
— reappearance of an ancestral characteristic
Hungarian:
atavizmus
— reappearance of an ancestral characteristic
Icelandic:
áalíking
— reappearance of an ancestral characteristic
Ido:
atavismo
— reappearance of an ancestral characteristic
Italian:
atavismo
— reappearance of an ancestral characteristic
Japanese:
先祖返り
(senzogaeri)
— reappearance of an ancestral characteristic
Kazakh:
атавизм
(atavizm)
— reappearance of an ancestral characteristic
Kyrgyz:
атавизм
(atavizm)
— reappearance of an ancestral characteristic
Manx:
aaghooghys
— reappearance of an ancestral characteristic
Norwegian:
atavisme
— reappearance of an ancestral characteristic
Polish:
atawizm
— reappearance of an ancestral characteristic
Portuguese:
atavismo
— reappearance of an ancestral characteristic
Romanian:
atavism
— reappearance of an ancestral characteristic
Russian:
атави́зм
(atavízm)
— reappearance of an ancestral characteristic
Slovak:
atavizmus
— reappearance of an ancestral characteristic
Spanish:
atavismo
— reappearance of an ancestral characteristic
Volapük:
taavist
— reappearance of an ancestral characteristic