last ‧ ly /ˈlɑːstli $ ˈlæst-/ BrE AmE adverb [sentence adverb]
used when telling someone the last thing at the end of a list or a series of statements OPP firstly :
Lastly, could I ask all of you to keep this information secret.
last ‧ ly /ˈlɑːstli $ ˈlæst-/ BrE AmE adverb [sentence adverb]
used when telling someone the last thing at the end of a list or a series of statements OPP firstly :
Lastly, could I ask all of you to keep this information secret.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012