angry; easily or quickly showing anger

very angry; in a bad mood

(of an old person) bad-tempered

irritable, often due to old age

not tolerant

impatient, prejudiced

unreasonably impatient or irritable

crabby, moody

full of complaints

grouchy, hard to please

make haste

nasty, irritable

deadly; spiteful

poisonous; hateful

irritable, testy

irritable, testy