1
: normal and reasonable for a particular situation
an understandable feeling/reaction
She made an understandable error.
It's perfectly understandable that you would feel sad.
2
: able to be understood
He can make scientific concepts understandable [=comprehensible] to the general public.
Cite this Entry
“Understandable.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/understandable. Accessed 20 Jun. 2026.
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