petulant
childishly sulky or rude
Root
- pet / petit: seek, aim at, rush toward, or attack
Other words with the pet / petit root
Petulant mood attacks in small ways: complaint, sulking, and sharp little refusals.
The petulant reply made a minor delay sound like a personal insult.
Petulant is not mature anger. It is a smaller, snappier attack: the mood lunges before the mind grows up.