Whoever wins, their plans to boost the economy will face political obstacles and will not have an instant effect.

When Dave Johnson speaks, his voice has an instant effect on a stranger.

There is opportunity for the improvements we make to have an almost instant effect for our customers.

The only instant effect of the fumes was a sharp stinging in his eyes.

The words had an instant effect on the woman.

Best of all, the adjustable belt provides an instant stomach-slimming effect.

These had an instant effect upon more recent fiction, and Conscience had many imitators.

Bobbi's voice floated out from her bedroom and had an instant brightening effect on me.

The sharp, hard slap had had an instant miraculous effect.

The appeal to hospitality had an instant effect.