unsaturated
adjective
un·sat·u·rat·ed
ˌən-ˈsa-chə-ˌrā-təd 
: not saturated: such as
a
: capable of absorbing or dissolving more of something
an unsaturated solution
b
: able to form products by chemical addition
especially
: having at least one double or triple bond between carbon atoms in a hydrocarbon chain
—used especially of an oil, fat, or fatty acid
unsaturated fatty acids
see also unsaturated fat compare saturated sense 2b
Examples of unsaturated in a Sentence
Recent Examples on the Web
Both butter and margarine have a combination of saturated and unsaturated fatty acids.
—
Rosemary Trout, The Conversation, 10 June 2026
In addition to protein, peanuts provide heart-healthy unsaturated fats, magnesium, niacin, and folate.
—Lindsey Desoto, Health, 3 June 2026
The key is choosing unsaturated fats over the fried and greasy options that tend to trigger side effects.
—Samantha Agate, Kansas City Star, 28 May 2026
Social media has fueled a backlash against seed oils, but mainstream dietary guidance still tends to favor unsaturated fats over saturated ones.
—Lauren Jarvis-Gibson, Miami Herald, 19 May 2026
See All Example Sentences for unsaturated
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Rosemary Trout, The Conversation, 10 June 2026
In addition to protein, peanuts provide heart-healthy unsaturated fats, magnesium, niacin, and folate.
—Lindsey Desoto, Health, 3 June 2026
The key is choosing unsaturated fats over the fried and greasy options that tend to trigger side effects.
—Samantha Agate, Kansas City Star, 28 May 2026
Social media has fueled a backlash against seed oils, but mainstream dietary guidance still tends to favor unsaturated fats over saturated ones.
—Lauren Jarvis-Gibson, Miami Herald, 19 May 2026
See All Example Sentences for unsaturated
Cite this Entry
“Unsaturated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsaturated. Accessed 12 Jun. 2026.
Copy CitationKids Definition
unsaturated
adjective
un·sat·u·rat·ed
ˌən-ˈsach-ə-ˌrāt-əd
ˈən-
: not saturated: as
a
: capable of absorbing or dissolving more of something
an unsaturated solution
b
: able to form products by combining chemically with other substances
especially
: containing double or triple bonds between carbon atoms
an unsaturated fat
Medical Definition
unsaturated
adjective
un·sat·u·rat·ed
-ˈsach-ə-ˌrāt-əd
: not saturated: as
a
: capable of absorbing or dissolving more of something
an unsaturated solution
b
: able to form products by chemical addition
especially
: having at least one double or triple bond between carbon atoms in a hydrocarbon chain
—used especially of an oil, fat, or fatty acid
unsaturated fatty acids
see also unsaturated fat compare saturated sense 2
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