Narky is an informal British term that means irritable or bad-tempered. There are several other synonyms used for narky, including grouchy, grumpy, snappish, testy, cranky, and cantankerous. These words describe someone who is easily annoyed, short-tempered, or tends to complain frequently. Additionally, narky can also be referred to as prickly, irascible, peevish, or curmudgeonly. These words highlight the person's tendency to be easily provoked or annoyed with even the smallest things. While the degree of irritable behavior may vary from person to person, all of these words convey the idea of someone who is generally unpleasant to be around.