known quantity
noun
: someone or something whose abilities or characteristics are well known
When she was cast in the role of the princess, she was already a known quantity from her work in several films.
Cite this Entry
“Known quantity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/known%20quantity. Accessed 31 Oct. 2025.
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