Simple Definition of myth

from our Learner's Dictionary

myth

noun

plural myths
1
: an idea or story that is believed by many people but that is not true
It's an enduring/persistent myth that money brings happiness.
The book dispels/refutes/debunks many myths about early American history. [=shows that many beliefs about early American history are wrong]
I don't believe the myths and legends about/surrounding this forest.
Contrary to popular myth, no monster lives in this lake.
2
a
: a story that was told in an ancient culture to explain a practice, belief, or natural occurrence
creation myths [=stories about how people and the world were first created]
b
: such stories as a group
a student of Greek myth [=mythology]

Cite this Entry

“Myth.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/myth. Accessed 15 Jun. 2026.

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