baffled
definition
unable to understand or perplexed by something
example
I was baffled by the math problem because I didn't understand it at all.
synonyms
confusedpuzzledbewildered
word origin — The word 'baffled' originates from the early 17th century, likely derived from the verb 'to baffle', which comes from the Middle English 'to baffle' meaning to confuse or defy understanding.