Second-person singular simple present form of need.(verb)
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Use "needest" in a sentence
"If thou didst create gods, it was because thou needest them."
"Now say, why art thou come? what needest thou of this land?"
"“Have no fear thereof!” says he, “no long while to wait or the bitter sword stand deep in my heart; and no worse needest thou to pray for thyself, for thou wilt not live when I am dead; the days of our two lives shall be few enough from henceforth.”"