IPA: /ˈpɛtʃələntli/
KK: /ˈpɛtʃələntli/
In a way that shows irritation or annoyance.
She petulantly refused to share her toys with her friends.
Petulantly → It is formed from "petulans" (from Latin, meaning rude or ill-tempered) and the suffix "-ly" (meaning in a manner of). The word "petulantly" describes behaving in a rude or ill-tempered manner.
Think of someone acting in a rude way ('petulans') and remember that 'petulantly' means behaving in that ill-tempered manner.