1
law
: based on information which suggests that something is true but does not prove that it is true
The evidence is purely circumstantial.
The case against him is circumstantial.
2
formal
: providing or including the details of a particular situation or event
a circumstantial account of the meeting
Cite this Entry
“Circumstantial.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/circumstantial. Accessed 15 Jun. 2026.
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