mer ‧ ri ‧ ly /ˈmerəli, ˈmerɪli/ BrE AmE adverb
1 . written in a happy way, or in a way that makes you feel happy:
Sylvia laughed merrily.
2 . literary quickly and in a pleasant way:
The fire soon began to burn merrily.
The clock ticked merrily in the corner.
3 . not thinking about possible problems that might happen as a result of what you are doing – used to show disapproval SYN blithely :
Meanwhile, the company is merrily pushing ahead with its plans.