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

While Russian state media said that the ceasefire went into effect, Ukraine’s military said attacks continued throughout the period. —Hira Humayun, CNN Money, 30 Jan. 2026

Off the runway, however, Copenhagen’s key labels made sure to show up in alternative ways throughout the week. —Amy O’Brien, Vogue, 30 Jan. 2026

Adverb

Available in nine sizes, the rug's medallion pattern has subtle hints of blue, green, and pink throughout. —Toni Sutton, PEOPLE, 28 Jan. 2026

There are nods to this history throughout, and particularly in the restaurant, Annette, which was named in tribute to Annette Kolb, the inspirational French-German writer and pacifist who lived at the original Hotel Cayré for 17 years from 1944. —Condé Nast, Condé Nast Traveler, 28 Jan. 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