Snappiest

adjective

1. Rapid and without delay.

   "Make it snappy!"

2. Irritable.

   "You're snappy this morning; did you not sleep well?"

3. Tidy; well-dressed; sharp.

   "Here he is, looking snappy in his brand-new suit."

4. Chilly, brisk, sharp.

   "snappy weather;   snappy pace;   snappy rejoinder"