- A repetition of the same meaning in different words;
needless repetition of an idea in different words or phrases; a
representation of anything as the cause, condition, or consequence of
itself, as in the following lines: --//The dawn is overcast, the
morning lowers,/And heavily in clouds brings on the day. Addison.
Meaning of 'tautology' (Princeton's WordNet)
1 . tautology
[ n]
Meaning (1): - (logic) a statement that is necessarily true
Example in sentence:
the statement `he is brave or he is not brave' is a tautology
Meaning (2): - useless repetition
Example in sentence:
to say that something is `adequate enough' is a tautology