formal
: relating to what can be known through an understanding of how certain things work rather than by observation
There's no a priori reason to think your expenses will remain the same in a new city.
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“A priori.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/a%20priori. Accessed 15 Apr. 2026.
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