IPA: /ˈlæfəbli/
KK: /ˈlæfəbli/
In a way that is so silly or ridiculous that it makes people laugh.
The movie was laughably bad, making everyone in the theater burst into laughter.
Laughably → It is formed from "laugh" (from Old English *hlæhhan*, meaning to express joy or amusement) and "-ably" (meaning in a manner that can be). The word "laughably" means in a manner that can provoke laughter or is worthy of laughter.
Think of expressing joy or amusement ('laugh') in a way that can be perceived ('-ably') — that's why laughably means something that can make you laugh.