tautological.

1. Expressing the same idea more than once without adding useful information.

2. In formal logic, true under every assignment of truth values to its components.

Use it for

Words that belong together

• tautological phrase
• tautological wording

On the page

The phrase was tautological because its second half repeated the first.

She removed the tautological wording from the definition.

Usage notes

Primary category: academic. Forms: Normally non-gradable in logic; more tautological can compare verbal redundancy. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.