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

Discover easy meal prep strategies, nutritious grab-and-go options, and time-saving hacks to keep you fueled and focused throughout the day. —Essence, 10 July 2025

Sunday in Austin comes with a 40% rain chance throughout the day before scaling back to a 20% chance at night, forecasters said. —Roberto Villalpando, Austin American Statesman, 10 July 2025

Adverb

The frock was nearly floor-length and was designed with hundreds of intricate beads throughout. —Robyn Mowatt, Essence, 11 July 2025

Swiatek was dominant throughout, never letting Bencic get into their semifinal and wrapping things up in 71 minutes with serves at up to 119 mph and twice as many winners, 26, as unforced errors, 13. —Los Angeles Times, 11 July 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