Word.ws English Dictionary

insaniac

/ɪnˈseɪniˌæk/

insaniac adjective: insane and maniacal.

Adjective

insaniac (comparative more insaniac, superlative most insaniac)

  1. (slang) Insane and maniacal.
    • And although his insaniac towing of Jezebel had demonstrated that he might be just as crazy as the rest of them, it was hard to sit in this new Bronco and feel bad anymore about their old car.2014, James J. Patterson, Quinn O'Connell Jr., Roughnecks, page 245
    Synonyms:
    crazy

Noun

insaniac (plural insaniacs)

  1. (derogatory, slang) One who is insane and maniacal.

Synonyms of insaniac

Forms of insaniac

Adjective
comparativemore insaniac
superlativemost insaniac
Noun
pluralinsaniacs

Origin of insaniac

Blend of insane + maniac.

Questions about insaniac

What does insaniac mean?
Insaniac means insane and maniacal.
What part of speech is insaniac?
Insaniac can be an adjective or a noun.
How do you pronounce insaniac?
Insaniac is pronounced /ɪnˈseɪniˌæk/.

Words near insaniac in the dictionary

  1. insaneness
  2. insaner
  3. insanery
  4. insanest
  5. insangu
  6. insaniac
  7. insaniacs
  8. insaniate
  9. insaniated
  10. insaniates
  11. insaniating

Source and license

Adapted from Wiktionary: insaniac (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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