With the rise of Puritanism the very existence of Christmas was threatened.

My parents had a very puritanical view towards religion.

Call me old-fashioned, but I see myself as a puritan.

Puritanism brought over with it in the Mayflower the anti-Christmas feeling to New England.

Their religion is known to be very puritanical.

Olga is such a puritan, she won't even swear.

In the history of the United States, the Puritans were a group of people known for having an overly restrictive code of ethics, thus giving rise to negative connotations of someone being described as "puritanical".

Jim appears puritanical, but it's all a facade.

Jim's puritanical views were not well-received by his foreign acquaintances.

Tom is a puritan.