Definition

Used to introduce the first point or reason in a list or argument.

Example

Firstly, we need to gather all the necessary information before making a decision.

Conversation

I have a few things to discuss about our project.

Sure! What do you want to start with?

Well, firstly, we need to set a deadline for our tasks.

That sounds good — I think having a timeline will keep us on track.

Synonyms & Antonyms

Root Explanation

Firstly → It is formed from "first" (from Old English "fyrst", meaning the initial or primary) and the suffix "-ly" (meaning in a manner of). The word "firstly" means in the manner of being first or as the first point in a sequence.

Memory Tip

Think of the word 'first' to remember that 'firstly' means in the manner of being first.

Visually Confused Words