How-About-What-About | Commonly Confused Words

How about

/haʊ əˈbaʊt/

A phrase used to make a suggestion or propose an idea or plan.

How about a walk in the park later?How about trying a new dish for dinner tonight?How about we see a movie this weekend?

/ˈwɒt əˌbaʊt/

A phrase used to ask for information or to express curiosity about something else

What about meeting next week for lunch?What about the environmental impact of this project?What about adding a splash of color to the room?

This word has no antonyms

How about is used when offering or suggesting something.
What about is used when you want to indicate or inquire about a topic or example related to what has previously been mentioned.
Remember how like asking for a proposal or suggestion, how shall we proceed?
Think of what as seeking more information or examples about a subject, like what other ideas can be considered?
When in doubt, how about is suggesting; what about is questioning or considering.