Definition of "lastly" in Anglais

adverb

1. (sequence) 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. (discourse marker) Used to signal that the speaker is about to yield control of the conversation.