fog.

A cloud of tiny water droplets suspended near the ground that substantially obscures visibility.

Use it for

Words that belong together

• dense fog
• coastal fog
• fog bank

On the page

Fog hid the opposite shore.

The ferry sounded its horn as fog closed around it.

By midday, the fog had lifted from the fields.

Usage notes

Primary category: environment. Denser than mist in ordinary and meteorological use; not smoke or simply distant haze. Mass noun; fogs for separate episodes or types; Verb: fog, fogs, fogged, fogging.