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

Jeff Charles, operations supervisor for Orange County Stormwater Management, said crews prepared days before landfall by lowering retention ponds and staging emergency pumps throughout vulnerable areas. —Greg Bennett, The Orlando Sentinel, 24 May 2026

Beyond the deportations and detentions, the economic toll throughout Chicagoland was immediate. —Jack O'Connor, Chicago Tribune, 24 May 2026

Adverb

The actress opted for a black look with white accents throughout, including a pair of two-tone pumps. —Karla Rodriguez, Footwear News, 22 May 2026

The whole property is basically a lending library with new, vintage, and unusual tomes scattered throughout for borrowing while onsite, from Toni Morrison’s Beloved to classic National Geographic photography books. —Condé Nast, Condé Nast Traveler, 20 May 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