Second-person singular present simple form of desire(verb)
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Use "desirest" in a sentence
"Edward, thou shalt go with me as thou desirest; thou shalt prove the life for which I have long thought thee best fitted — thou shalt aid, my son, this trembling hand of mine to sustain the Holy Ark, which bold unhallowed men press rashly forward to touch and to profane. —"
"And if thou desirest to know their names and lineage I will tell thee all."
"Go to — thou art made, if thou desirest to be so. —"