Is VIRES a Wordle Word?

Yes. VIRES is a valid Wordle word.

It is not on the Wordle answer list, so it is unlikely to be a daily answer.

Plurals ending in S are almost never chosen as Wordle answers.

What does VIRES mean?

Plural of vire: To transfer a surplus from one account to cover a deficit in another, to make a virement.
Plural of vis: Force; energy; might; power.
The state of being either ultra vires or intra vires; the extent of a court's, legislature's, or other government entity's jurisdiction to do something.

Definition from Wiktionary, available under the CC BY-SA license.

Starter word rating: AverageIn the top 15% of all valid Wordle words for testing common letters.
Vowels: I, E
Unique letters: 5 of 5
Common letters: I, R, E

Hard-mode trap: 8 valid words fit the pattern _IRES. If you reach it, you may need several guesses to find the last letter.

Letter ratings use how often each letter appears in Wordle answers.

Tap its tiles to the colours Wordle showed, and the Wordle Solver lists every word that still fits, with the best next guess.