Is QUINT a Wordle Word?

Yes. QUINT is a valid Wordle word.

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

What does QUINT mean?

/kwɛ̃/

An interval of one fifth.
The E string of a violin.
In piquet, a sequence of five playing cards of the same suit; equivalent to a straight flush in poker

3 more noun definitions

A quin or quintuplet.
A vehicle used by firefighters that combines the capabilities of a fire engine and a fire truck, having the ability to provide vertical access as well as pump water to fight a fire.
Quinte; the fifth fencer in parrying or attacking position.

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

Starter word rating: WeakIn the top 76% of all valid Wordle words for testing common letters.
Vowels: U, I
Unique letters: 5 of 5
Common letters: I, T
Rare letters: Q

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