Simple Definition of tautology

from our Learner's Dictionary

tautology

noun

plural tautologies
: a statement in which you repeat a word, idea, etc., in a way that is not necessary
"A beginner who has just started" is a tautology.
trying to avoid tautology

Cite this Entry

“Tautology.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/tautology. Accessed 20 Jun. 2026.

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