firstly

adverb

UK /ˈfɜːstli/

US /ˈfɜːrstli/

Firstly means before anything else.

Firstly, wash your hands before you eat.

SYNONYMS

first first of all to begin with initially

RELATED WORDS

secondly thirdly finally lastly

OTHER MEANINGS

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

Firstly, we need to buy tickets; secondly, we need to pack.

3. At the beginning; before other things happen.

Firstly, let me thank everyone for coming.

4. In the first place or as the first reason.

I chose this book firstly because it is short.