mainadvantage
nounUK /ˌmeɪn ədˈvɑːntɪdʒ/
US /ˌmeɪn ədˈvæntɪdʒ/
The biggest good thing that helps you.
The main advantage of riding a bike is that you get there fast.
OTHER MEANINGS
2. The most useful feature of a tool or plan.
The main advantage of this app is that it works without the internet.
3. The strongest reason to choose one thing over another.
The main advantage of the early train is that it is never crowded.
4. The best thing about a person's skill or idea.
Her main advantage in the contest was her calm voice.