general | April 07, 2026 Definitions of arithmomania - OneLook Definitions from Wiktionary (arithmomania)▸ noun: an obsessive-compulsive disorder in which the subject feels the need to count thingsarithmophobia, collectomania, anarithmia, collectionitis, anthomaniac, graphomania, obsessionism, nosomania, monomania, sitomania, more...▸ Words similar to arithmomania▸ Usage examples for arithmomania▸ Idioms related to arithmomania▸ Civic discussion about arithmomania (New!)▸ Popular adjectives describing arithmomania▸ Words that often appear near arithmomania▸ Rhymes of arithmomania▸ Invented words related to arithmomania