"serest" in the adjective sense
1. dried-up, sere, sear, shriveled, shrivelled, withered
used especially of vegetation) having lost all moisture
"dried-up grass"
"the desert was edged with sere vegetation"
"shriveled leaves on the unwatered seedlings"
"withered vines"
Source: WordNet® (An amazing lexical database of English)
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