In an antonomastic manner; by means of antonomasia.
Origin
Early 17th century; earliest use found in Thomas Morton. From post-classical Latin antonomastice (adverb) by use of an epithet as a proper name, by specialized use + -ally.
Definition of antonomastically in US English:
antonomastically
adverbˌantənəˈmastɪkli
In an antonomastic manner; by means of antonomasia.
Origin
Early 17th century; earliest use found in Thomas Morton. From post-classical Latin antonomastice (adverb) by use of an epithet as a proper name, by specialized use + -ally.