Is BRAGS a Wordle Word?

Yes. BRAGS 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 BRAGS mean?

/bɹæɡz/

To boast; to talk with excessive pride about what one has, is able to do, or has done; often as an attempt to popularize oneself.“to brag of one's exploits, courage, or money”
To boast of.

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

Starter word rating: AverageIn the top 38% of all valid Wordle words for testing common letters.
Vowels: A
Unique letters: 5 of 5
Common letters: R, A

Hard-mode trap: 10 valid words fit the pattern BRA_S. 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.