Is DRIER a Wordle Word?

Yes. DRIER is a valid Wordle word.

It is on the original Wordle answer list and has not been an answer yet, so it could be a future answer.

What does DRIER mean?

/ˈdɹaɪə/

One who, or that which, dries; a desiccative.“The sun and a northwesterly wind are great driers of the earth.”
A household appliance that removes the water from clothing by accelerating evaporation, usually though heat and a tumbling motion.
An electric hair dryer.

2 more noun definitions

Any other device or substance, household or industrial, designed to remove water or humidity.
A catalyst used to promote the drying of paints and varnishes by oxidative crosslinking.

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

Starter word rating: AverageIn the top 39% of all valid Wordle words for testing common letters.
Vowels: I, E
Unique letters: 4 of 5Repeats R
Common letters: R, I, E

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