Simple past tense and past participle of pullulate.(verb)
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Use "pullulated" in a sentence
"That is, the pre-GAP square where bookstores pullulated and I could afford to see the premiere of some new play, such as a Philip Glass opera, The Fall of the House of Usher."
"But no! With frantic passion Nietzsche charged: "The Reformation, a duplication {731} of the medieval spirit at a time when this spirit no longer had a good conscience, pullulated sects, and superstitions like the witchcraft craze.""
"Squalid babies, with wan, pathetic faces, pullulated on the doorsteps; they showed from behind dingy windows at the breasts of haggard women."