the Stone Age
noun
: 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 outmoded
His political ideas are from the Stone Age.
I'm still using a Stone Age computer.
Cite this Entry
“The Stone Age.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20Stone%20Age. Accessed 7 Jul. 2026.
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