Is FORMS a Wordle Word?

Yes. FORMS 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 FORMS mean?

/fɔːmz/

(heading, physical) To do with shape.
(social) To do with structure or procedure.
A blank document or template to be filled in by the user.“To apply for the position, complete the application form.”

9 more noun definitions

A specimen document to be copied or imitated.
Level of performance.“The orchestra was on top form this evening.”
(grammar) A grouping of words which maintain grammatical context in different usages; the particular shape or structure of a word or part of speech.“participial forms; verb forms”
The den or home of a hare.
A window or dialogue box.
An infraspecific rank.
The type or other matter from which an impression is to be taken, arranged and secured in a chase.
A quantic.
(fitness) A specific way of performing a movement.

To assume (a certain shape or visible structure).“When you kids form a straight line I'll hand out the lollies.”
To give (a shape or visible structure) to a thing or person.“Roll out the dough to form a thin sheet.”
To take shape.“When icicles start to form on the eaves you know the roads will be icy.”

6 more verb definitions

To put together or bring into being; assemble.“Paul McCartney and John Lennon formed The Beatles in Liverpool in 1960.”
To create (a word) by inflection or derivation.“By adding "-ness", you can form a noun from an adjective.”
To constitute, to compose, to make up.“Teenagers form the bulk of extreme traffic offenders.”
To mould or model by instruction or discipline.“Singing in a choir helps to form a child's sociality.”
To provide (a hare) with a form.
To treat (plates) to prepare them for introduction into a storage battery, causing one plate to be composed more or less of spongy lead, and the other of lead peroxide. This was formerly done by repeated slow alternations of the charging current, but later the plates or grids were coated or filled, one with a paste of red lead and the other with litharge, introduced into the cell, and formed by a direct charging current.

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

Starter word rating: WeakIn the top 58% of all valid Wordle words for testing common letters.
Vowels: O
Unique letters: 5 of 5
Common letters: O, R

Hard-mode trap: 7 valid words fit the pattern _ORMS. 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.