Variation around "churlish"

Grumpy
grumpiness, grumpily

Irritable, annoyed, unhappy and dissatisfied, 

often for no obvious reason

Syn: ill-tempered, bad-tempered

• I hadn't had enough sleep and was feeling a bit grumpy.- grincheux
• What a grumpy old man!

Churlish
rude, bad-tempered, mean

• He was abrupt and curt and often downright churlish. - grossier, discourtois 
• It would be churlish to deny important changes have taken place. - mesquin 

Crabby

• You're very crabby today. What's upset you? - grognon

Fussy

Syn: picky

• If you are a very selective person, you are picky or fussy- difficile, exigeant

Grouchy
easily annoyed and complaining, often in a bad mood or complaining a lot

• Don't be so grouchy! - ronchon
• Your grandmother has nothing to stop her from being bored, grouchy and lonely.

Boorish
coarse, impolite, rude and not caring about other people's feelings

• The boorish behavior of people from the far North! -rustre