Is YAWNS a Wordle Word?

Yes. YAWNS 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 YAWNS mean?

The action of yawning; opening the mouth widely and taking a long, rather deep breath, often because one is tired or bored.
A particularly boring event.“The slideshow we sat through was such a yawn. I was glad when it finished.”

To open the mouth widely and take a long, rather deep breath, often because one is tired or bored, and sometimes accompanied by pandiculation.“I could see my students yawning, so I knew the lesson was boring them.”
To say while yawning.
To present a wide opening.“Death yawned before us, and I hit the brakes.”

2 more verb definitions

To open the mouth, or to gape, through surprise or bewilderment.
To be eager; to desire to swallow anything; to express desire by yawning.“to yawn for fat livings”

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

Starter word rating: WeakIn the top 55% of all valid Wordle words for testing common letters.
Vowels: A
Unique letters: 5 of 5
Common letters: A

Hard-mode trap: 10 valid words fit the pattern _AWNS. 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.