Is POSED a Wordle Word?

Yes. POSED is a valid Wordle word.

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

Past-tense words ending in ED are almost never chosen as Wordle answers.

What does POSED mean?

/pəʊzd/

To place in an attitude or fixed position, for the sake of effect.“To pose a model for a picture.”
To ask; to set (a test, quiz, riddle, etc.).
To constitute (a danger, a threat, a risk, etc.).

5 more verb definitions

(in the phrase "to pose as") To falsely impersonate (another person or occupation) primarily for the purpose of accomplishing something or reaching a goal.
To assume or maintain a pose; to strike an attitude.
To behave affectedly in order to attract interest or admiration.
To interrogate; to question.
To question with a view to puzzling; to embarrass by questioning or scrutiny; to bring to a stand.

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

Starter word rating: AverageIn the top 29% of all valid Wordle words for testing common letters.
Vowels: O, E
Unique letters: 5 of 5
Common letters: O, E

Hard-mode trap: 9 valid words fit the pattern _OSED. 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.