monomaniac

noun
/ˌmɒnəʊˈmeɪnɪæk/UK/ˌmɑnoʊˈmeɪnɪæk/US

Definitions

  1. A person who is obsessed with a single thing, to the exclusion of other concerns.

    • Harry knew now that the old man was crazy, or at least a monomaniac, and, though he seemed harmless enough, it was of course possible that he might be dangerous.
    • He had never yet been able to determine whether the old man was a consummate hypocrite or a religious monomaniac.
  2. Focused on one thing above all others.

The neighborhood

Vish — recursive loop

No curated loop yet for monomaniac. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA