Brilliant business name based on the word "define".
The name "Definely" has eight characters and three syllables. Successful brands using three syllable names include Verizon, Armani and Vodafone.
This domain was first registered in May 2018. Older domains have an advantage when ranking in search engines.
Definely.com is a .com domain. Dot com domains are the most popular, and the most prestigious. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.