lastly

Meanings

1. 1
   adv

   Used to mark the beginning of the last in a list of items or propositions.

   Firstly, that's illegal; secondly, it has serious disadvantages; thirdly, it's not necessary; and lastly, did I mention that it's illegal?

2. 2
   adv

   the item at the end

3. 3
   adv

   Used to signal that the speaker is about to yield control of the conversation.

Etymology

From last + -ly.