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

• 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

Just last month, a series of public meetings was held throughout the region looking at the results of a study aimed at helping residents figure out how to cope with that rapid growth. —Juan Cordoba, Arkansas Online, 5 Oct. 2025

Securing the Shield ensures the top seed for Philly and home-field advantage throughout the MLS Cup playoffs for a team that has quietly gone about a consistent season without grabbing much in the way of attention. —The Athletic Staff, New York Times, 5 Oct. 2025

Adverb

Performances are solid throughout, notably from Boulane, who turns up the gentlemanly charm by infinitesimal degrees. —David Rooney, HollywoodReporter, 3 Oct. 2025

The ball also features a subtle nod to the World Cup trophy, with gold embellishments detailed throughout. —Melanie Anzidei, New York Times, 2 Oct. 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