- Main Entry:
- tau·tol·o·gous

- Pronunciation:
-
\tȯ-ˈtä-lə-gəs\
- Function:
- adjective
- Etymology:
- Greek tautologos, from taut- + legein to say
— more at legend
- Date:
- 1714
1
: involving or containing rhetorical tautology : redundant
2
: true by virtue of its logical form alone
— tau·tol·o·gous·ly adverb