prig

He had been railed against by them as a prig and a poseur.

A king , a murderer , a prig , a ladyhood , a prostitute , a damosel, One kind of nature , one kind of thought , a dirty maker;

He is such a prig when it comes to table manners.

She can be a bit of a prig about grammar.

Don't be such a prig, loosen up and have some fun!

He's a prig who always thinks he's better than everyone else.

She's a prig when it comes to following rules.

Stop being a prig and try something new for once!

He's such a prig about punctuality, always arriving early.

She's a prig when it comes to cleanliness, everything must be spotless.

I can't stand his prig attitude towards fashion, always criticizing others' outfits.

She's a bit of a prig about her diet, only eating organic food.