Definition of Americanitis in English:

Americanitis

noun

British
  • An attitude or psychological condition considered as particularly characteristic of Americans; especially a condition or state of nervous tension and fatigue, perceived particularly to affect Americans as a result of a stressful, hurried lifestyle (now chiefly historical).

Origin

Late 19th century; earliest use found in The Gentleman's Magazine. From American + -itis.

Pronunciation

Americanitis

/əˌmɛrɪkəˈnʌɪtɪs/