petulance

noun3

1. •
   Childish impatience or sulkiness; testiness.

   • She […] had shown herself angry and sore, and was now ashamed of her own petulance, and yet unable to discontinue it. — 1857
2. •
   (no longer used) Rudeness, insolence.
3. •
   (no longer used) An insolent remark or act.

   • I believe I was guilty of a petulance, which nothing but my uneasy situation can excuse; if that can. — 1748