thirdly
Thirdly (adv) means used to introduce the third point in a list. Example: “Firstly, it's too expensive; secondly, it's slow; and thirdly, it doesn't even work.”
How to use thirdly
Learner’s notesIn plain EnglishA word for introducing the third item when listing points in order.
Fill the gap
Can you complete this real example?
Firstly, it's too expensive; secondly, it's slow; and _____, it doesn't even work.
Etymology
From third plus the adverb-forming suffix -ly.