Is HEARS a Wordle Word?

Yes. HEARS 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 HEARS mean?

/hɪə(ɹ)z/

(stative) To perceive sounds through the ear.“I was deaf, and now I can hear.”
(stative) To perceive (a sound, or something producing a sound) with the ear, to recognize (something) in an auditory way.“I heard a sound from outside the window.”
To exercise this faculty intentionally; to listen to.

5 more verb definitions

To listen favourably to; to grant (a request etc.).“Eventually the king chose to hear her entreaties.”
To receive information about; to come to learn of.
(with from) To be contacted by.
To listen to (a person, case) in a court of law; to try.“Your case will be heard at the end of the month.”
To sympathize with; to understand the feelings or opinion of.“You're tired of all the ads on TV? I hear ya.”

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

Starter word rating: ExcellentIn the top 2% of all valid Wordle words for testing common letters.
Vowels: E, A
Unique letters: 5 of 5
Common letters: E, A, R

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