To launder is to wash your clothes or other things made from cloth, like sheets and towels. A college student might try to wait to launder her clothes until she goes home for Thanksgiving.

When you launder, you wash a load of laundry, or dirty clothes. These days most of us use a washing machine to launder, adding detergent to the water and then tossing the wet things in the dryer after they're clean. Another meaning of launder is "hide the origins of illegal money," or "make dirty money look clean," which is usually done by making it appear that the money was earned through a legitimate business.

Definitions of launder

v cleanse with a cleaning agent, such as soap, and water

rinse, wash
clean with some chemical process
be capable of being washed
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wash with water
wash out
wash free from unwanted substances, such as dirt
powerwash, pressure-wash
wash before painting to remove old paint and mildew
wash in suds
rinse, rinse off
wash off soap or remaining dirt
wash in a cradle
stone-wash, stonewash
wash with stones to achieve a worn appearance
hand-wash, handwash
wash or launder by hand instead of with a machine
machine wash, machine-wash
wash by machine
wash with acid so as to achieve a bleached look
flush, purge, scour
rinse, clean, or empty with a liquid
Type of:
clean, make clean
make clean by removing dirt, filth, or unwanted substances from

v convert illegally obtained funds into legal ones

Type of:
change, commute, convert, exchange
exchange or replace with another, usually of the same kind or category

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