Simple past tense and past participle of slip.(verb)
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Use "slipt" in a sentence
"The poor, dear, Mr. Beaumont had now been dead upwards of a twelve-month, and why should she be restrained, by a lath of a son, who was in the habit of turning up his eyes, like a divine, and looking like nothing human, if a word slipt from her, which was ever so little awry."
"If the young man comes from his master, and has formed no acquaintance or interest among the customers whom his master dealt with, he has, in short, slipt or lost one of the principal ends and reasons of his being an apprentice, in which he has spent seven years, and perhaps his friends given a considerable sum of money."
"The sword slipt from his hand; the hilt turned downwards."