Is MIXER a Wordle Word?

Yes. MIXER is a valid Wordle word.

It is not on the Wordle answer list, so it is unlikely to be a daily answer.

What does MIXER mean?

One who, or a device that, mixes or merges things together.
One who mixes or socializes.
A machine outfitted with (typically blunt) blades with which it mixes or beats ingredients in a bowl below.

6 more noun definitions

A non-alcoholic drink (such as lemonade, Coca-Cola or fruit juice) that is added to spirits to make cocktails.
A mixing console.
A dance or other social event meant to foster new acquaintances, as at the beginning of a school year.
Any of various social dances involving frequent changes of partners.
A device for combining hot and cold water before it emerges from a single spout or shower head.
A nonlinear electrical circuit that creates new frequencies from two signals applied to it.

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

Starter word rating: WeakIn the top 41% of all valid Wordle words for testing common letters.
Vowels: I, E
Unique letters: 5 of 5
Common letters: I, E, R
Rare letters: X

Hard-mode trap: 6 valid words fit the pattern MI_ER. 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.