Second-person singular simple past form of say.(verb)
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Use "saidst" in a sentence
"Life, thou saidst, is short; and the sleep which is in the grave is long; let me use that life, so transitory, for the glory of those heavenly dreams destined to comfort the sleep which is so long!"
"Jesus said unto her, Thou hast well said, I have no husband: for thou hast had five husbands; and he whom thou now hast is not thy husband: in that saidst thou truly."
"“Now, Saunders Souplejaw, hold thine own! — thou always saidst the fortune of our house was to be won by marriage, and never had you such a chance to keep your word with us.”"