Standard Lemma guide

maniac

noun · 5 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, Received-Pronunciation: /ˈmeɪ.niˌæk/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪniæk
  • CMU ARPABET: M EY1 N IY0 AE2 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An insane person, especially one who suffers from a mania.

Definition source: English Wiktionary via Wiktextract

Examples

  • She was driving like a maniac.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A fanatic, a person with an obsession.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

Examples

  • He's a manga maniac.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Ellipsis of sex maniac.

Definition source: English Wiktionary via Wiktextract

Usage: Philippines, abbreviation, alt-of, ellipsis

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

an insane person

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: lunatic, madman

Antonyms: none provided

Broader terms: sick person, diseased person, sufferer

Narrower terms: crazy, loony, looney, nutcase, weirdo, bedlamite, pyromaniac, madwoman

5

noun

Meaning 5

a person who has an obsession with or excessive enthusiasm for something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: fancier, enthusiast

History

Etymology

Etymology tree Proto-Indo-European *men- Proto-Indo-European *-yéti Proto-Indo-European *mn̥yétorder. Proto-Hellenic *məňňómai Ancient Greek μαίνομαι (maínomai) Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-i-eh2 Proto-Hellenic *-íā Ancient Greek -ία (-ía) Ancient Greek μανίᾱ (maníā) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ακός (-akós) Ancient Greek μανιακός (maniakós)bor. Late Latin maniacuslbor. French maniaquebor. English maniac From mania + -ac. Borrowed from French maniaque, from Late Latin maniacus, from Ancient Greek μανιακός (maniakós), adjectival form of μανία (manía, “madness”). Compare manic.

Across languages

Translations

83 source translations are retained for this English entry.

  • Arabic: مَهْوُوس (mahwūs) — insane person
  • Arabic: مَهْوُوسَة (mahwūsa) — insane person
  • Arabic: مَمْسُوس (mamsūs) — insane person
  • Arabic: مَمْسُوسَة (mamsūsa) — insane person
  • Armenian: մոլագար (molagar) — insane person
  • Armenian: մանյակ (manyak) — insane person
  • Belarusian: манья́к (manʹják) — insane person
  • Belarusian: манья́чка (manʹjáčka) — insane person
  • Bulgarian: маниа́к (maniák) — insane person
  • Catalan: maníac — insane person
  • Chinese Mandarin: 瘋子 /疯子 (fēngzi) — insane person
  • Chinese Mandarin: 狂人 (kuángrén) — insane person
  • Czech: maniak — insane person
  • Dutch: maniak — insane person
  • Dutch: waanzinnige — insane person
  • Dutch: dolleman — insane person
  • Esperanto: maniulo — insane person
  • Finnish: maanikko — insane person
  • French: maniaque — insane person
  • Galician: maníaco — insane person
  • Galician: maniático — insane person
  • Galician: obseso — insane person
  • Georgian: მანიაკი (maniaḳi) — insane person
  • German: Irrer — insane person
  • German: Irre — insane person
  • Greek: μανιακός (maniakós) — insane person
  • Hebrew: משוגע \ מְשֻׁגָּע (m'shugá) — insane person
  • Hebrew: מַנְיַאק (man'iyak) — insane person
  • Italian: maniaco — insane person
  • Japanese: 狂人 (kyōjin) — insane person
  • Kikuyu: mũgũrũki — insane person
  • Korean: 광인 (gwang'in) — insane person
  • Korean: 미치광이 (michigwang'i) — insane person
  • Macedonian: манијак (manijak) — insane person
  • Iranian Persian: دیوانِه (divâne) — insane person
  • Iranian Persian: اُسْکُل (oskol) — insane person
  • Polish: maniak — insane person
  • Polish: maniaczka — insane person
  • Portuguese: maníaco — insane person
  • Romanian: maniac — insane person
  • Russian: манья́к (manʹják) — insane person
  • Russian: манья́чка (manʹjáčka) — insane person
  • Serbo-Croatian: ма̀нија̄к — insane person
  • Serbo-Croatian: mànijāk — insane person
  • Slovak: maniak — insane person
  • Slovene: manijak — insane person
  • Spanish: maníaco — insane person
  • Spanish: maniaco — insane person
  • Swedish: maniker — insane person
  • Turkish: manyak — insane person
  • Ukrainian: манія́к (maniják) — insane person
  • Ukrainian: манія́чка (manijáčka) — insane person
  • Armenian: մոլագար (molagar) — fanatic, obsessive
  • Armenian: մանյակ (manyak) — fanatic, obsessive
  • Catalan: maniàtic — fanatic, obsessive
  • Chinese Mandarin: 狂熱分子 /狂热分子 (kuángrè fènzǐ) — fanatic, obsessive
  • Chinese Mandarin: -迷 (-mí) — fanatic, obsessive
  • Czech: maniak — fanatic, obsessive
  • Dutch: maniak — fanatic, obsessive
  • Finnish: fanaatikko — fanatic, obsessive
  • Finnish: kiihkoilija — fanatic, obsessive
  • French: maniaque — fanatic, obsessive
  • French: cinglé — fanatic, obsessive
  • French: cinglée — fanatic, obsessive
  • Galician: maníaco — fanatic, obsessive
  • Galician: maniático — fanatic, obsessive
  • Galician: obseso — fanatic, obsessive
  • German: Verrückter — fanatic, obsessive
  • German: Verrückte — fanatic, obsessive
  • Greek: μανιακός (maniakós) — fanatic, obsessive
  • Hebrew: מַנְיַאק (man'iyak) — fanatic, obsessive
  • Hungarian: -mániás — fanatic, obsessive
  • Hungarian: -őrült — fanatic, obsessive
  • Hungarian: -bolond — fanatic, obsessive
  • Italian: maniaco — fanatic, obsessive
  • Japanese: マニアック (maniakku) — fanatic, obsessive
  • Korean: 매니악 (maeniak) — fanatic, obsessive
  • Polish: maniak — fanatic, obsessive
  • Polish: maniaczka — fanatic, obsessive
  • Portuguese: maníaco — fanatic, obsessive
  • Russian: манья́к (manʹják) — fanatic, obsessive
  • Russian: манья́чка (manʹjáčka) — fanatic, obsessive
  • Spanish: maniático — fanatic, obsessive