It can be (a puzzled expression, puzzled onlookers). It is the past tense and past participle of to puzzle, so may also be a verb.
adjective
The dog looked at her with a puzzled expression. He did not recognise that command.This week's Sudoku has me puzzled.I am puzzled by your question.Why do you look so puzzled?
Yes.be·wil·dered   [bih-wil-derd] Show IPA adjectivecompletely puzzled or confused; perplexed.
confused
puzzled...frustrated
adjective
Which word are you puzzled about ?
No, the word puzzled is the past participle, past tense of the verb to puzzle. The past participle of the verb is also an adjective, such as a puzzled look, a puzzledstudent.The noun forms for the verb to puzzle are puzzler, and the gerund, puzzling. The word puzzle is also a noun.
The dog looked at her with a puzzled expression. He did not recognise that command.This week's Sudoku has me puzzled.I am puzzled by your question.Why do you look so puzzled?
The lack of punctuation puzzled me for a time, but I would say so, since 'French' is describing 'word'.
I can give you several sentences.He puzzled over the math problem for a long time.At first, I was puzzled by the machine, but then I figured out how to use it.She was puzzled by his behavior.
Yes.be·wil·dered   [bih-wil-derd] Show IPA adjectivecompletely puzzled or confused; perplexed.
I was puzzled when i finally realised the midget was actually a horse
Darwin was puzzled about the many adaptations of the finches on the Galapagos Islands
Puzzled - 1913 is rated/received certificates of: UK:U
Darwin was puzzled about the many adaptations of the finches on the Galapagos Islands
"Puzzled" means confused or perplexed, unsure how to understand or solve a particular situation or problem. It describes a feeling of uncertainty or difficulty in comprehending something.