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

• about
• across
• around
• over
• round
• through

Adverb

• around
• over
• round
• through

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

However, the company’s creative mojo has been noticeably absent throughout 2025, when SmackDown in particular has failed to consistently create compelling programming. —Blake Oestriecher, Forbes, 23 Mar. 2025

Gere, a practicing Buddhist, has publicly supported several philanthropic causes throughout his career including HIV/AIDS awareness and human rights organizations like the International Campaign for Tibet. —Andrew Walsh, EW.com, 23 Mar. 2025

Adverb

Others say parts of one building have been without electricity, while power outages are common throughout. —Andrew J. Campa, Los Angeles Times, 23 Mar. 2025

Designed with energy efficiency in mind, the home has tempered glass windows and a sliding glass door, LED lighting throughout, and insulation to help regulate the home’s temperature. —Maggie Horton, People.com, 22 Mar. 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