Entry 2 senses Webster, 1913

Petulant

/pĕch'-əl-ənt/ · Pet·u·lant · IPA /ˈpɛt͡ʃʊlənt/

01 a. Forward; pert; insolent; wanton.

1.
Forward; pert; insolent; wanton.[Obs.]
2.
Capriciously fretful; characterized by ill-natured freakishness; irritable.

Syn. Irritable; ill-humored; peevish; cross; fretful; querulous.