importantly

/ɪmˈpɔrtntli/

/ɪmˈpɔtəntli/

The word importantly emphasizes something. It’s often used to call attention to something in a list, and most importantly, it comes from the word "important."

Indeed, importantly comes from the word important, which has roots in the Latin word for “being significant.” When you see the word importantly, you know something significant is being mentioned or emphasized. If your boss gives you a bunch of jobs, then says, "Most importantly, be careful with the Penske file," then that file is your priority. It often appears as most importantly to give it a little extra oomph.

Definitions of importantly

1. adverb

   in an important way or to an important degree
   “more importantly, Weber held that the manifold meaning attached to the event by the social scientist could alter his definition of the concrete event itself”

   synonyms: significantly
2. adverb

   in an important way
   “for centuries jellies have figured importantly among English desserts, particularly upon festive occasion”