/ ˈfɪfθli; NAmE / adverb
used to introduce the fifth of a list of points you want to make in a speech or piece of writing :
Fifthly, we need to consider the effect on the local population.
/ ˈfɪfθli; NAmE / adverb
used to introduce the fifth of a list of points you want to make in a speech or piece of writing :
Fifthly, we need to consider the effect on the local population.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005