throughout

1 of 2

preposition

through·​out thrü-ˈau̇t 

1

: all the way from one end to the other of : in or to every part of

cities throughout the United States

2

: during the whole course or period of

troubled her throughout her life

throughout

2 of 2

adverb

1

: in or to every part : everywhere

of one color throughout

2

: during the whole time or action : from beginning to end

remained loyal throughout

Synonyms of throughout

Preposition

• around
• across
• over

Adverb

• through
• around
• over

Examples of throughout in a Sentence

Preposition

The company has stores throughout the United States and Canada.

She has traveled throughout the world.

His supporters remained loyal throughout his difficulties.

Throughout her life, she has suffered with the disease.

It rained throughout the day.

Adverb

The house is painted white throughout.

The house has wood floors throughout.

He had a difficult year, but his supporters remained loyal throughout.

Recent Examples on the Web

Preposition

And the Knicks, who’d been turned over and scored on in transition regularly throughout the series, pulled an UNO reverse card, scoring 21 points off 19 Hawks turnovers on the night. —Kristian Winfield, New York Daily News, 26 Apr. 2026

But not for the hundreds of high school students from throughout Los Angeles County who attended the10th annual Prom Dress & Tux Gift-Away and Resource Fair that were offered free formal attire at the Sheraton Gateway Los Angeles Hotel on April 25. —Staff Photographer, Los Angeles Times, 26 Apr. 2026

Adverb

But instead of the colorful maximalism Brudnizki is best known for, The Surrey favors subtle Art Deco details and muted pastels, with a light touch of the designer’s signature patterns and textures sprinkled throughout. —Condé Nast, Condé Nast Traveler, 24 Apr. 2026

Next up was the Reese’s ice cream, which used a chocolate base with peanut butter swirled throughout. —Tristan Graziano, Charlotte Observer, 24 Apr. 2026

Word History

First Known Use

Preposition

13th century, in the meaning defined at sense 1

Adverb

13th century, in the meaning defined at sense 1

Rhymes for throughout

• about
• bailout
• blackout
• blowout
• breakout
• burnout
• buyout
• checkout
• closeout
• cutout
• devout
• dropout

Kids Definition

throughout

1 of 2 adverb

through·​out thrü-ˈau̇t 

1

: in or to every part : everywhere

of one color throughout

2

: during the whole time or action : from beginning to end

remained loyal throughout

throughout

2 of 2 preposition

1

: in or to every part of

throughout the house

2

: during the whole time of

throughout the evening