IPA: /ˈbeɪsli/
KK: /ˈbeɪsli/
In a way that is low in quality or morally bad.
He acted basely when he betrayed his friend.
Basely → It is formed from "base" (from Old French *base*, meaning foundation or bottom) and "-ly" (meaning in a manner of). The word "basely" means in a manner that is low or morally low, reflecting the foundational aspect of being base or lowly.
Think of 'base' as something that is low or foundational, and remember that 'basely' means acting in a low or morally inferior manner.