Snappy
Part of speech: adjective
Definition: rapid and without delay irritable Tidy; well-dressed; sharp.
Example sentence: Weird, but sometimes I feel more like my cartoon character than I do Lizzie because she's a little more edgy and snappy.
Snappish
Part of speech: adjective
Definition: Likely to snap or bite.habitually speaking in an irritable or angry way: my snappish boss was never in a good mood.