merrily

Concise Oxford English Dictionary © 2008 Oxford University Press:
merry/ˈmeri/

▶adjective (merrier, merriest)

• 1 cheerful and lively.

  ■ characterized by festivity.

• 2 informal slightly drunk.

– phrases
make merry indulge in merriment.

– derivatives
merrily adverb,
merriness noun.

– origin OE myrige ‘pleasing, delightful’, of Gmc origin; rel. to mirth.