What if we go to the beach tomorrow?

I can stay late tonight if need be.

-ifier is an alternative form of -fier.

The beautification of the park has made it more attractive to visitors.

She's in a damned if one does and damned if one doesn't situation.

If looks could kill, I would be dead by now.

It's a big if, but if we can secure the funding, we can start the project.

I will go to the party only if my friends are going.

This decision is iffier than the last one.

This is the iffiest situation I've ever been in.