Simple Definition of plausible

from our Learner's Dictionary

plausible

adjective

: possibly true : believable or realistic
a plausible [=possible] conclusion
a plausible excuse
I thought her explanation was perfectly/entirely/completely plausible. [=I believed her explanation]

Cite this Entry

“Plausible.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/plausible. Accessed 15 Apr. 2026.

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