slavish

He may want to emulate, sometimes almost slavishly, the late President François Mitterrand, his political godfather.

And for much of the early part of the 20th century, Americans were slavishly following French cooking.

The Alaskan continues her unmatched mastery of the press—getting them to slavishly follow her Tour to Nowhere.

Herrera did not publish his results, which are slavishly chronological in their method, till half a century later (1601-15).