Is MEMES a Wordle Word?

Yes. MEMES 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 MEMES mean?

Any unit of cultural information, such as a practice or idea, that is transmitted verbally or by repeated action from one mind to another in a comparable way to the transmission of genes.
Something, usually humorous, which is copied and circulated online with slight adaptations, including quizzes, basic pictures, video templates etc.
A myth circulating as truth; something ineffective presented as effective, or similar.“it’s a meme degree”

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

Starter word rating: WeakIn the top 92% of all valid Wordle words for testing common letters.
Vowels: E
Unique letters: 3 of 5Repeats M, E
Common letters: E

Hard-mode trap: 8 valid words fit the pattern ME_ES. 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.