Is SAILS a Wordle Word?

Yes. SAILS 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 SAILS mean?

/seɪlz/

A piece of fabric attached to a boat and arranged such that it causes the wind to drive the boat along. The sail may be attached to the boat via a combination of mast, spars and ropes.
(nautical,uncountable) The concept of a sail or sails, as if a substance.“Take in sail: a storm is coming.”
The power harnessed by a sail or sails, or the use of this power for travel or transport.

8 more noun definitions

A trip in a boat, especially a sailboat.“Let's go for a sail.”
(plural "sail") A sailing vessel; a vessel of any kind; a craft.“Twenty sail were in sight.”
The blade of a windmill.
A tower-like structure found on the dorsal (topside) surface of submarines.
The floating organ of siphonophores, such as the Portuguese man-of-war.
A sailfish.“We caught three sails today.”
An outward projection of the spine, occurring in certain dinosaurs and synapsids
Anything resembling a sail, such as a wing.

To be impelled or driven forward by the action of wind upon sails, as a ship on water; to be impelled on a body of water by steam or other power.
To move through or on the water; to swim, as a fish or a waterfowl.
To ride in a boat, especially a sailboat.

3 more verb definitions

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

Starter word rating: WeakIn the top 45% of all valid Wordle words for testing common letters.
Vowels: A, I
Unique letters: 4 of 5Repeats S
Common letters: A, I, L

Hard-mode trap: 13 valid words fit the pattern _AILS. 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.