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
Specifically, the healthy, unsaturated fats in avocados may boost the body's ability to absorb carotenoids, a type of antioxidant also found in avocados.
—
Carrie Madormo, Health, 10 Feb. 2026
Instead, prioritize unsaturated fats from sources like nuts, seeds, and fish.
—Abby Norman, Verywell Health, 9 Feb. 2026
Chia seeds, pumpkin seeds, almonds, and walnuts provide heart-healthy unsaturated fats, fiber, and minerals like magnesium that help regulate blood pressure.
—Beth Krietsch, SELF, 22 Jan. 2026
Conversely, unsaturated fats, like olive oil, are easier to break down and are an essential part of a healthy diet.
—Tania Fabo, USA Today, 22 Jan. 2026
See All Example Sentences for unsaturated
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Carrie Madormo, Health, 10 Feb. 2026
Instead, prioritize unsaturated fats from sources like nuts, seeds, and fish.
—Abby Norman, Verywell Health, 9 Feb. 2026
Chia seeds, pumpkin seeds, almonds, and walnuts provide heart-healthy unsaturated fats, fiber, and minerals like magnesium that help regulate blood pressure.
—Beth Krietsch, SELF, 22 Jan. 2026
Conversely, unsaturated fats, like olive oil, are easier to break down and are an essential part of a healthy diet.
—Tania Fabo, USA Today, 22 Jan. 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 14 Feb. 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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