Simple past tense and past participle of rejoin.(verb)
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Use "rejoined" in a sentence
"Sarah Palin rejoined the Twittering masses after nearly three weeks of silence?"
"Shams al-Din rejoined, “I am no penniless pauper but have great plenty of wealth;” then he showed him all he owned of monies and stuffs and stock-in-trade and observed, “With me are stuffs and merchandise befitting every country in the world.”"
"And Ala al-Din rejoined, “I hear and I obey, O my chief.”"