Similar word to searest:

anhydrous, arid, athirst, baked, bald, bare, barren, dehydrated, depleted, desert, desiccant, desiccated, drained, dried-up, droughty, dusty, evaporated, exhausted, hard, impoverished, juiceless, not irrigated, parched, rainless, sapless, sapped, sear, shriveled, stale, thirsty, torrid, unmoistened, waterless