Synonyms for Parched:

adj.

dry (adjective)
dehydrated, arid, evaporated, scorched, saharan, desiccated, thirsty, dry, burned, withered.
shriveled (adjective)
withered.

n.

deserted, wild, treeless, sun-baked, lifeless, bare, dusty. thirst, dying of boredom/hunger/thirst etc., athirst. parched (noun)
sunbaked, adust, dry, scorched, cooked, baked.

v.

dried (verb)
emptied, Catheterized, sucked dry, dried, vaporized, Swabbed, wrung out, Wiped, Stanched, drained, pumped out, dehumidified, evaporated, Blotted, dehydrated, withered, Mopped.
heated (verb)
broiled, burned, Singed, Parboiled, Sweltered, fried, cooked, charred, scorched, toasted, Scalded, roasted, braised, grilled, warmed, poached, barbecued, boiled, fired, heated, stewed, seared, baked, Simmered.

Other synonyms:

treeless, sun-baked, dusty. thirst, lifeless, athirst, deserted. bare. wild. Other relevant words:
dusty, sun-baked, treeless, adust, bare, thirst, athirst, deserted, lifeless, wild, sunbaked.

Usage examples for parched

  1. Her throat was parched and her body was so weak that even to move her hand had been an effort. – The Secret Witness by George Gibbs
  2. His head ached intolerably, his mouth was parched and the cut in his cheek was stiff and sore. – The Shadow of the East by E. M. Hull
  3. It don't take long to tell you, but all this had taken us a good many hours; and so baked were we by the heat down below, and parched by thirst, that it was as much as I could do to persuade the men to wait until nightfall. – When London Burned by G. A. Henty