• proliferate

    If something proliferates, it grows and spreads quickly so that there is a great abundance of it.

  • prolific

    Something or someone that is prolific is highly fruitful and so produces a lot of something.

  • proletarian

    The proletarian class in society is comprised of the workers or blue-collar class; they usually do not receive a salary but work for an hourly wage.

  • prole

    a member of the working class (not necessarily employed)

  • proletariat

    a social class comprising those who do manual labor or work for wages

  • proliferation

    growth by the rapid multiplication of parts

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