Is CUTES a Wordle Word?

Yes. CUTES 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 CUTES mean?

Plural of cutis: The true skin, underlying the epidermis.
Cuteness“Chicago favorite Byrne Piven (shorn of his trademark beard) craftily dumbs himself down to play Sam as a softhearted dreamer with a bad case of the cutes.”

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

Starter word rating: AverageIn the top 18% of all valid Wordle words for testing common letters.
Vowels: U, E
Unique letters: 5 of 5
Common letters: T, E

Hard-mode trap: 6 valid words fit the pattern _UTES. 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.