Think of someone who gets upset over small things and often complains or grumbles. That's a peevish person!
Here are some synonyms for peevish:
* Irritable
* Grumpy
* Cranky
* Cross
* Fretful
* Touchy
Here are some examples of how you might use "peevish" in a sentence:
* "The child was in a peevish mood after being told he couldn't have another cookie."
* "She had a peevish tone of voice when she complained about the long line."
* "The old man became increasingly peevish as he aged."