the Stone Age

noun

Definition of the Stone Age

: the oldest period in which human beings are known to have existed : the age during which humans made and used stone tools often used figuratively to suggest something outmodedHis political ideas are from the Stone Age.I'm still using a Stone Age computer.

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“The Stone Age.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20Stone%20Age. Accessed 27 Nov. 2020.

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