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

Coaches praise each other Hoiberg raved about the job McCollum has done in his first season at Iowa and throughout his career. —Kristie Rieken, Chicago Tribune, 27 Mar. 2026

Over the last several years, protesters have walked onto the 101 Freeway during demonstrations, including the George Floyd marches in 2020, pro-Palestinian rallies in 2024 and most recently, anti-ICE protests throughout 2025. —Matthew Rodriguez, CBS News, 27 Mar. 2026

Adverb

Another notable difference from most other stage productions is a consistent musical score throughout. —Rick Mauch, Fort Worth Star-Telegram, 25 Mar. 2026

David and Tatro don’t have enough moments together as father and son, though Tatro is enjoyable throughout as the posturing numbskull Jimmy Boy. —Brian Truitt, USA Today, 25 Mar. 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