Used to mark the beginning of the last in a list of items or propositions.(adverb)
Used to signal that the speaker is about to yield control of the conversation.(adverb)
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Use "lastly" in a sentence
"Thirdly, and lastly, as your father says -- though not very often, "added Turkey slyly, meaning that the _lastly_ seldom came with the _thirdly_, --" if we take the honey now, the bees will have plenty of time to gather enough for the winter before the flowers are gone, whereas if we leave it too long they will starve. ""
"_Trinity_-Colledge in _Cambridge_; and lastly, that is, in order of time though not of place, his _Pindaric Odes_, so call'd from the"
"A correct text is the first object of an editor, then such notes as explain difficult or obscure passages; and lastly, which is much less important, notes pointing out authors to whom the poet has been indebted, not in the fiddling way of phrase here and phrase there, (which is detestable as a general practice), but where he has had essential obligations either as to matter or manner."