overfastidious

adjective

over·​fas·​tid·​i·​ous ˌō-vər-fa-ˈsti-dē-əs 

-fə-

: excessively fastidious

Normally overfastidious and wedded to routine, he now neglected food, sleep, and appearance.

—Ernst Pawel

In other respects I have written more carelessly; that is, without an overfastidious and learned choice of words.

—Percy Bysshe Shelley

Word History

First Known Use

1819, in the meaning defined above