Is PILLS a Wordle Word?

Yes. PILLS 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 PILLS mean?

/pɪlz/

A small, usually round or cylindrical object designed for easy swallowing, usually containing some sort of medication.
(definite, i.e. used with "the") Contraceptive medication, usually in the form of a pill to be taken by a woman; an oral contraceptive pill.“Jane went on the pill when she left for college.”
A comical or entertaining person.

5 more noun definitions

A contemptible, annoying, or unpleasant person.
A small piece of any substance, for example a ball of fibres formed on the surface of a textile by rubbing.
A baseball.
A bullet (projectile).
A rounded rectangle indicating the tag or category that an item belongs to.

Of a woven fabric surface, to form small matted balls of fiber.
To form into the shape of a pill.“Pilling is a skill rarely used by modern pharmacists.”
To medicate with pills.“She pills herself with all sorts of herbal medicines.”

1 more verb definition

1 more verb definition

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

Starter word rating: WeakIn the top 81% of all valid Wordle words for testing common letters.
Vowels: I
Unique letters: 4 of 5Repeats L
Common letters: I, L

Hard-mode trap: 19 valid words fit the pattern _ILLS. 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.