Elenctics, in Christianity, is a division of practical theology concerned with persuading people of other faiths of the truth of the Gospel message, with an end to producing in them an awareness of, ...

Is flabbergasted a slang word?

Use the adjective flabbergasted to describe someone who's astounded or surprised for any reason, good or bad.

What is meaning of flabbergasting?

transitive verb. : to overwhelm with shock, surprise, or wonder : dumbfound We were flabbergasted by the news that he had won the lottery.