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

Preposition

• about
• across
• around
• over
• round
• through

Adverb

• around
• over
• round
• through

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

With a comfy memory foam insole, chic design, and multiple color options, they’re bound to be in your rotation throughout the season. —Alicia Geigel, Southern Living, 23 May 2025

Mobs of hundreds of young people have converged on locations throughout the city to wreak havoc, with massive fights requiring responses from hundreds of police officers. —Brady Knox, The Washington Examiner, 23 May 2025

Adverb

Personal details throughout, like art and ceramics with their deep, almost-black details, create visual tension and interest. —Lauren Bengtson, Better Homes & Gardens, 22 May 2025

Editor's note: This article has been updated with new details throughout. —Rebecca Falconer, Axios, 21 May 2025

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