puzzled
Definitions
Unable to understand; perplexed or confused.
Marked by or showing a lack of understanding or clarity.
Examples
The detective looked puzzled when he discovered the missing key was actually in his own pocket.
She felt puzzled by the strange message left on her answering machine.
Synonyms
confused baffled perplexed bewildered mystified muddled flummoxed
Antonyms
certain clear enlightened decisive sure understanding oriented