easily annoyed and complaining in a rude way like a child (Cambridge)
behaving in an angry or sulky way, especially because you cannot do or have what you want (Oxford)
بیوقوف ,احمق
a petulant young man
voice became abrupt and petulant.
Irritable
Impatient
Perverse
Affable
Easy-going
Petulance
Petulantly