1
a
: a cleansing and emulsifying agent made usually by action of alkali on fat or fatty acids and consisting essentially of sodium or potassium salts of such acids
b
: a salt of a fatty acid and a metal
2
Synonyms
Examples of soap in a Sentence
Noun
Make sure you use soap and water to wash your hands.
The store sells many different brands of liquid soaps.
Her first acting job was on a soap.
Verb
I soap my hair first when I take a shower.
He soaped and rinsed the car.
Recent Examples on the Web
Kim Nichols, Parents, 30 Apr. 2024
No soap at the handwash sink next to the espresso machine in the food service area.
—David J. Neal, Miami Herald, 28 Apr. 2024
See all Example Sentences for soap 
Noun
Common eczema triggers include wool, heat, or the chemicals in soaps, fragrances, lotions, and detergents.
—Kim Nichols, Parents, 30 Apr. 2024
No soap at the handwash sink next to the espresso machine in the food service area.
—David J. Neal, Miami Herald, 28 Apr. 2024
See all Example Sentences for soap
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'soap.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Soap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/soap. Accessed 5 May. 2024.
Copy CitationKids Definition
soap
1 of 2 noun1
: a substance that is usually made by the action of alkali on fat, dissolves in water, and is used for washing
2
: a salt of a fatty acid
3
soap
2 of 2 verb
: to rub soap over or into
Medical Definition
soap
noun1
: a cleansing and emulsifying agent made usually by action of alkali on fat or fatty acids and consisting essentially of sodium or potassium salts of such acids
2
: a salt of a fatty acid and a metal
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