Definition of monomaniac in English:

monomaniac

noun

  • A person exhibiting an exaggerated or obsessive enthusiasm for or preoccupation with one thing.

    ‘self-obsessed monomaniacs’

adjective

  • Characterized by an exaggerated or obsessive enthusiasm for or preoccupation with one thing.

    ‘he rails against monomaniac passions’

Pronunciation

monomaniac

/mɒnəˈmeɪnɪak/