Is SNITS a Wordle Word?

Yes. SNITS 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 SNITS mean?

A temper; a lack of patience; a bad mood.“He's in a snit because he got passed over for promotion.”
A U.S. unit of volume for liquor equal to 2 jiggers, 3 U.S. fluid ounces, or 88.7 milliliters.
A beer chaser commonly served in three-ounce servings in highball or juice glasses with a Bloody Mary cocktail in the upper midwest states of United States including Minnesota, North Dakota, Wisconsin, Iowa, Michigan, and Illinois.“The bartender served us each a snit with our Bloody Marys this morning.”

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

Starter word rating: WeakIn the top 69% of all valid Wordle words for testing common letters.
Vowels: I
Unique letters: 4 of 5Repeats S
Common letters: I, T

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