Synonyms for Peckish (same or very similar meaning)
WordNet sense 1 (feeling hunger; feeling a need or desire to eat food):
hungry
WordNet sense 2 (easily irritated or annoyed):
cranky, fractious, irritable, nettlesome, peevish, pettish, petulant, scratchy, testy, techy, tetchy
WordNet sense 3 (having an irritable and unpleasant disposition):
ill-natured
From the ODE community, based on WordNet
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