From Longman Dictionary of Contemporary Englishbe parchedbe parchedinformalDFDTHIRSTY to be very thirsty → parched
Examples from the Corpus
be parched• Between the mounds the soil was parched.• Her feet ached, her mouth was parched.• I am growing weak, oh so weak; my tongue is dry, my lips are parched.• My limbs fail, my mouth is parched, my hair is standing on end.• His mouth was parched with expectation and from the whisky of the night before. 