[TahlilGaran] English Synonym Dictionary ▲

1. [intransitive] to breed (= produce young) or spread quickly
2. [intransitive] to be full of life or activity
Word Originearly 17th cent.: from Latin pullulat- ‘sprouted’, from the verb pullulare, from pullulus, diminutive of pullus ‘young animal’.

[TahlilGaran] English Dictionary ▲