Is HINTS a Wordle Word?

Yes. HINTS 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 HINTS mean?

/hɪnts/

A clue.“I needed a hint to complete the crossword.”
A tacit suggestion that avoids a direct statement.“He gave me a hint that my breath smelt.”
A small, barely detectable amount of.“I could taste a hint of lemon in the wine.”

2 more noun definitions

Information in a computer-based font that suggests how the outlines of the font's glyphs should be distorted in order to produce, at specific sizes, a visually appealing pixel-based rendering. Also known as hinting.“This font does not scale well; at small point sizes it has no hinting at all, and the hints that it has for the 10- and 12-point letter 'g' still need work.”
An opportunity; occasion; fit time.

To suggest tacitly without a direct statement; to provide a clue.“She hinted at the possibility of a recount of the votes.”
To bring to mind by a slight mention or remote allusion; to suggest in an indirect manner.“to hint a suspicion”
To develop and add hints to a font.“The typographer worked all day on hinting her new font so it would look good on computer screens.”

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

Starter word rating: WeakIn the top 42% of all valid Wordle words for testing common letters.
Vowels: I
Unique letters: 5 of 5
Common letters: I, T

Hard-mode trap: 9 valid words fit the pattern _INTS. 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.