petulance
definition
irritable or sulky temperament
example
Her petulance was evident when she didn't get her way, leading to a dramatic outburst over a minor inconvenience.
synonyms
irritabilitysulkinesspeevishness
word origin — The word 'petulance' originates from the Latin 'petulans', which means 'striking', 'reproaching', or 'ruffian-like'. It entered English in the late 14th century.