Maniacal

//məˈnaɪək(ə)l// adj

adj ·Uncommon ·Advanced level

Definitions

Adjective
  1. 1
    Like a maniac; insane; frenzied.

    "In other cases of moral alienation there will be found to have been more or less congenital moral defect, with maniacal exacerbations of positive moral insanity occurring perhaps at puberty, perhaps at the menstrual periods, perhaps after severe disappointment."

Adjective
  1. 1
    wildly disordered wordnet

Example

More examples

"Stefan's maniacal laughter was ringing in Amelia's ears."

Etymology

From maniac + -al.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.