Brilliant business name based on the word "define".
The word "definely" contains eight letters and three syllables. Successful brands using three syllable names include Heineken, Mastercard and Adobe.
Definely.com is a dot com domain. Dot com domains are the most desirable top-level-domain in the world, used by famous websites like twitter.com. When most people think of a website, they think of a dot com.