Answer: seriously
AnswerCrossword Clue
SERIOUSLY"You're kidding"
SERIOUSLYEnd of quote
seriouslyVery
seriouslyIn a solemn or considered manner
seriouslySERIOUS, thoughtful or subdued in appearance
seriouslyTo a degree that is significant or worrying because of possible danger or risk
seriouslyReally or sincerely (used esp. to indicate a response of surprise or shock)
seriouslyUsed to indicate surprise at what someone has said and to check whether they really meant it
seriouslyUsed to add sincerity to a statement that is to follow, esp. after a facetious exchange of remarks
seriouslyWith earnest intent; not lightly or superficially