launder

1 of 2

verb

laun·​der ˈlȯn-dər How to pronounce launder (audio)
ˈlän-
laundered; laundering ˈlȯn-d(ə-)riŋ How to pronounce launder (audio)
ˈlän-
Synonyms of laundernext

transitive verb

1
: to wash (something, such as clothing) in water
2
: to make ready for use by washing and ironing
a freshly laundered shirt
3
: to transfer (illegally obtained money or investments) through an outside party to conceal the true source
4
: sanitize sense 2
laundered language

intransitive verb

: to wash or wash and iron clothing or household linens
launderer noun

launder

2 of 2

noun

: trough
especially : a box conduit conveying particulate material suspended in water in ore dressing

Examples of launder in a Sentence

Verb He used a phony business to launder money from drug dealing. had to launder the quarterback's off-the-cuff's remarks before they could be quoted in the newspaper
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
More and more hard-to-trace checks are laundered among political committees, with their murky-sounding names and Tallahassee addresses, frustrating attempts by voters or the media to figure out exactly who’s giving to whom. Steve Bousquet, Sun Sentinel, 21 Feb. 2026 In the spring, simply launder your pillow and mattress protectors. Mary Cornetta, Better Homes & Gardens, 21 Feb. 2026
Noun
Place the item in the washing machine and launder using the warmest water recommended on the care tag. Caroline Lubinsky, Martha Stewart, 6 Feb. 2026 Editors and contributors compare dozens of sets and look for qualities such as softness, durability, breathability, color fastness, and how well the linens launder and withstand wear. Yelena Moroz Alpert, Architectural Digest, 20 Jan. 2026 See All Example Sentences for launder

Word History

Etymology

Verb

Middle English launder, noun

Noun

Middle English, launderer, from Anglo-French lavandere, from Medieval Latin lavandarius, from Latin lavandus, gerundive of lavare to wash — more at lye

First Known Use

Verb

1664, in the meaning defined at transitive sense 1

Noun

1667, in the meaning defined above

Time Traveler
The first known use of launder was in 1664

Browse Nearby Words

Cite this Entry

“Launder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/launder. Accessed 24 Feb. 2026.

Kids Definition

launder

verb
laun·​der
ˈlȯn-dər
ˈlän-
laundered; laundering
-d(ə-)riŋ
1
: to wash or wash and iron clothing or household linens
2
: to undergo washing and ironing
launderer
-dər-ər
noun

Legal Definition

launder

transitive verb
laun·​der
: to transfer (money or instruments deriving from illegal activity) so as to conceal the true nature and source
launder money through an offshore account

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