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
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
Dietary guidance generally favors unsaturated fats over saturated ones for heart health, which puts plant oils ahead of animal fats in most clinical recommendations.
—Lauren Jarvis-Gibson, Kansas City Star, 19 May 2026
Foods or dietary supplements rich in unsaturated fats (such as fish and fish oils) are more prone to rancidity.
—Ayesha Gulzar, Verywell Health, 6 May 2026
Avocados are rich in vitamins and nutrients, as well as unsaturated fats.
—Kirstyn Hill, Health, 16 Mar. 2026
See All Example Sentences for unsaturated
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Lauren Jarvis-Gibson, Miami Herald, 19 May 2026
Dietary guidance generally favors unsaturated fats over saturated ones for heart health, which puts plant oils ahead of animal fats in most clinical recommendations.
—Lauren Jarvis-Gibson, Kansas City Star, 19 May 2026
Foods or dietary supplements rich in unsaturated fats (such as fish and fish oils) are more prone to rancidity.
—Ayesha Gulzar, Verywell Health, 6 May 2026
Avocados are rich in vitamins and nutrients, as well as unsaturated fats.
—Kirstyn Hill, Health, 16 Mar. 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 27 May. 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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