petulant
adjective
Meaning
Childishly sulky or bad-tempered, especially when frustrated by minor inconveniences.
Examples
- He became petulant when the waiter brought the wrong side dish, snapping at the staff for the minor mistake.
- The petulant teenager slammed the door after being told he couldn't stay out past midnight.
Synonyms: cranky, sulky, peevish, querulous