monomaniac

• Substantiv, das eine Person bezeichnet, die pathologisch von einer einzigen Idee, einem Thema oder Interesse besessen ist, oft zum Nachteil aller anderen Lebensbereiche.

A noun referring to a person who is pathologically obsessed with a single idea, subject, or interest, often to the exclusion of all else.

1. Obsessive personC1formal

   A person who is excessively focused on a single idea, subject, or goal to the exclusion of all else.

   Besessener Mensch

   • He was a monomaniac about cleanliness, scrubbing every surface twice a day.
   • The inventor became a monomaniac, working only on his perpetual motion machine.
   • She was a monomaniac for justice, dedicating her entire life to one legal case.

   Synonymefanaticmaniacobsessivezealot