"desolater" in the adjective sense
1. bare, barren, bleak, desolate, stark
providing no shelter or sustenance
"bare rocky hills"
"barren lands"
"the bleak treeless regions of the high Andes"
"the desolate surface of the moon"
"a stark landscape"
2. desolate
crushed by grief
"depressed and desolate of soul"
"a low desolate wail"
Source: WordNet® (An amazing lexical database of English)
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