Is MBIRA a Wordle Word?

Yes. MBIRA is a valid Wordle word.

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

What does MBIRA mean?

A thumb piano, a musical instrument having a small sound box fitted with a row of tuned tabs that are plucked with the thumbs, originating among the Shona of southern Africa; any type of plucked lamellophone of the same type as the Shona instrument.

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

Starter word rating: AverageIn the top 36% of all valid Wordle words for testing common letters.
Vowels: I, A
Unique letters: 5 of 5
Common letters: I, R, A

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.