Is MASKS a Wordle Word?

Yes. MASKS 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 MASKS mean?

A cover, or partial cover, for the face, used for disguise or protection.“a dancer's mask; a fencer's mask; a ball player's mask”
That which disguises; a pretext or subterfuge.
A festive entertainment of dancing or other diversions, where all wear masks; a masquerade

10 more noun definitions

A person wearing a mask.
A dramatic performance, formerly in vogue, in which the actors wore masks and represented mythical or allegorical characters.
A grotesque head or face, used to adorn keystones and other prominent parts, to spout water in fountains, and the like
(fortification) In a permanent fortification, a redoubt which protects the caponiere.
(fortification) A screen for a battery
The lower lip of the larva of a dragonfly, modified so as to form a prehensile organ.
(Puebloan) A ceremonial object used in Puebloan kachina cults that resembles a Euro-American mask. (The term is objected to as an appropriate translation by Puebloan peoples as it emphasizes imitation but ignores power and representational intent.)
A pattern of bits used in bitwise operations; bitmask.
A two-color (black and white) bitmap generated from an image, used to create transparency in the image.
The head of a fox, shown face-on and cut off immediately behind the ears.

To cover (the face or something else), in order to conceal the identity or protect against injury; to cover with a mask or visor.
To disguise; to cover; to hide.
To conceal; also, to intervene in the line of.

6 more verb definitions

To cover or keep in check.“to mask a body of troops or a fortess by a superior force, while some hostile evolution is being carried out”
To take part as a masker in a masquerade
To wear a mask; to be disguised in any way
To cover or shield a part of a design or picture in order to prevent reproduction or to safeguard the surface from the colors used when working with an air brush or painting
To set or unset (certain bits, or binary digits, within a value) by means of a bitmask.
To disable (an interrupt, etc.) by setting or unsetting the associated bit.

1 more verb definition

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

Starter word rating: WeakIn the top 90% of all valid Wordle words for testing common letters.
Vowels: A
Unique letters: 4 of 5Repeats S
Common letters: A

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