Petulant – childishly bad-tempered
Petulant means to be childishly bad-tempered.
The petal ant (petulant) lived on the petals of a flower. It got very bad-tempered when the petals began to fall off.
Petulant people are sulky and easily annoyed. They get irritable over minor issues.
Examples of petulant in a sentence
The child was extremely petulant, showing her irritation at any suggestion she should join in with the other children.
Although very mature in some ways, the teenager could still be petulant over some very trivial things.
Even as an adult, Johny was petulant whenever he felt others were getting more attention than him.