cantankerous (adj.)
- bad-tempered
- bearish
- bilious
- bitchy
- choleric
- churlish
- contrary
- crabbed
- crabby
- cranky
- cross
- cross-grained
- crotchety
- crusty
- cussed
- difficult
- disagreeable
- dour
- dyspeptic
- excitable
- feisty
- fractious
- froward
- grouchy
- grumpy
- huffish
- huffy
- ill-natured
- ill-tempered
- irascible
- irritable
- liverish
- mean
- morose
- ornery
- peevish
- perverse
- petulant
- prickly
- quarrelsome
- snappish
- sour
- spiteful
- splenetic
- stuffy
- sulky
- sullen
- surly
- testy
- tetchy
- touchy
- ugly
- vinegarish
- vinegary
- waspish
- wayward
- wrongheaded
As there are three of us come on purpose for the game, you won't be so cantankerous as to spoil the party by sitting out.