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

These high-rise cuties look office-appropriate but feel more like leggings, thanks to four-way stretch and thermoregulating fabric that dries quickly and helps to wick away sweat throughout the day. —Sophie Dodd, Travel + Leisure, 26 Oct. 2025

Today, the fourth and fifth generations are largely leading the philanthropic drive, but the family’s vision and values were evident throughout the 20th century. —Maggie Menderski, Louisville Courier Journal, 26 Oct. 2025

Adverb

Besides its durable construction, the tiny home feels open and inviting thanks to the several floor-to-ceiling windows placed throughout. —Alicia Geigel, Southern Living, 22 Oct. 2025

Long, flowing lines and a neutral palette create calm, tranquil vibes throughout, while expansive windows invite light in and offer views out. —Rachel Cormack, Robb Report, 22 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