Baffled
Part of speech: adjective
Definition: thoroughly confused, puzzled having baffles
Example sentence: I've met people who are baffled by children, as though they were never children themselves.
Lost
Part of speech: adjective
Definition: When one is unable to find his or her way
Part of speech: verb
Definition: To cause (something) to cease to be in one's possession or capability due to unfortunate or unknown circumstances, events or reasons.
Example sentence: We should consider every day lost on which we have not danced at least once. And we should call every truth false which was not accompanied by at least one laugh.