The difference between Everywhere and Nowhere

When used as adverbs, everywhere means in or to all locations under discussion, whereas nowhere means in no place.

Nowhere is also noun with the meaning: no particular place, noplace.

Nowhere is also adjective with the meaning: unimportant.

check bellow for the other definitions of Everywhere and Nowhere

Everywhere as an adverb:

In or to all locations under discussion.

Examples:

"He delivers the mail everywhere on this street."

"We went everywhere at the school - we talked to all the teachers in their classrooms."
Everywhere as an adverb (colloquial, hyperbole):

In or to a few or more locations.

Examples:

"We went to Europe last year and went everywhere: Berlin, Paris, London, and Madrid."

"When I shop for shoes, I like to look everywhere."

"I've looked everywhere in the house and still can't find my glasses."

Nowhere as an adverb:

In no place.

Examples:

"Nowhere did the rules say anything about popcorn."
Nowhere as an adverb:

To no place.

Examples:

"We sat in traffic, going nowhere."

Nowhere as a noun:

No particular place, noplace.

Examples:

"They went on a cruise to nowhere."