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

Wever has been nominated for five Emmys throughout her career, winning in 2013 for her role in Nurse Jackie and again in 2018 for Netflix’s Godless. —Liza Esquibias, PEOPLE, 7 Sep. 2025

Several Amazon reviewers who wore them on flights and throughout the day love how the fabric stays free of wrinkles. —Chaise Sanders, Travel + Leisure, 7 Sep. 2025

Adverb

The design leans rustic (give or take a couple of Togo chairs), with moss green paneling, tartan upholstery, and wood beams running throughout. —Elly Leavitt, Vogue, 12 Sep. 2025

The purchasing company must be engaged throughout. —Ryan Gray, Forbes.com, 10 Sep. 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