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
Avocados do have more fat than most every other fruit, but that fat is mono unsaturated, which helps lower the body’s bad LDL cholesterol.
—
Sheah Rarback, Miami Herald, 31 July 2025
Amid an obsession with low-fat diets in the 1980s, avocados were spurned by many — even though their fats are mostly unsaturated.
—Daniel Miller, Los Angeles Times, 30 May 2025
The primary ingredients are almonds and peanuts, so the bar is high in protein and unsaturated fatty acids, but still less than 200 calories.
—Bestreviews, Mercury News, 16 June 2025
Avocado oil also complies with the Dietary Guidelines for Americans, 2015–2020, and the AHA's recommendation to prioritize unsaturated vs. saturated fats.
—Jonathan Purtell, Verywell Health, 4 Apr. 2025
See All Example Sentences for unsaturated
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.
Sheah Rarback, Miami Herald, 31 July 2025
Amid an obsession with low-fat diets in the 1980s, avocados were spurned by many — even though their fats are mostly unsaturated.
—Daniel Miller, Los Angeles Times, 30 May 2025
The primary ingredients are almonds and peanuts, so the bar is high in protein and unsaturated fatty acids, but still less than 200 calories.
—Bestreviews, Mercury News, 16 June 2025
Avocado oil also complies with the Dietary Guidelines for Americans, 2015–2020, and the AHA's recommendation to prioritize unsaturated vs. saturated fats.
—Jonathan Purtell, Verywell Health, 4 Apr. 2025
See All Example Sentences for unsaturated
Cite this Entry
“Unsaturated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsaturated. Accessed 20 Aug. 2025.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share