pullulate From WikiWord, the free dictionary /ˈpʌl.jʊ.leɪt/ 🔊 listen English Contents DefinitionsRelated wordsReferences DefinitionsverbTo multiply rapidly.To germinate.To teem; to be filled (with). Related wordsSynonymsbourgeonshootgerminatesproutspudburgeon forthteempulsateburgeongrow like a weedupswarmcome thick and fastswellvegetateballoonerupt References Wiktionary — pullulate Wikipedia — pullulate