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

Their passionate affair was partly fueled by drug abuse as much as desire, and soon friends like interpreter Jack Jason, who’s worked with Matlin throughout her career, were seeing the bruises on her body after their frequent fights. —Leslie Felperin, The Hollywood Reporter, 23 Jan. 2025

Sheltering and rebuilding Several other fire departments were called in to help fight the fire throughout the day, Walker said. —Pj Green, Kansas City Star, 23 Jan. 2025

Adverb

Scattered throughout were the president’s family members and other familiar faces in Trump’s orbit. —Adriana Gomez Licon, Chicago Tribune, 21 Jan. 2025

The Trump Inaugural Committee released a detailed itinerary, and the news media will broadcast and livestream throughout. —Alexis Simendinger, The Hill, 17 Jan. 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

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