tautology

Pronunciation

• (UK) IPA ^(key): /tɔˈtɒl.ə.d͡ʒi/
• (US) IPA ^(key): /tɔˈtɑl.ə.d͡ʒi/

• Audio (UK)

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Noun

Singular tautology

Plural tautologies

1. (uncountable) Tautology is the redundant use of words.

   It is tautology to say, "Forward Planning".

2. (countable) A tautology is an expression that features tautology.
3. (countable) (logic) A tautology is a statement that is always true.

   It is a tautology that an object is either at rest or in motion.

Related words

• tautological