English noun: tautology | |||
1. | tautology (communication) (logic) a statement that is necessarily true | ||
Samples | The statement `he is brave or he is not brave' is a tautology. | ||
Broader (hypernym) | true statement, truth | ||
Domain category | logic | ||
2. | tautology (communication) useless repetition | ||
Samples | To say that something is `adequate enough' is a tautology. | ||
Broader (hypernym) | repetitiousness, repetitiveness | ||