fattier; fattiest
1
: containing fat especially in unusual amounts
fatty foods
also
: unduly stout : corpulent
2
: greasy
3
: derived from or chemically related to fat
fattiness
noun
plural fatties
informal
: one that is fat
especially, disparaging + offensive
: an overweight person
Examples of fatty in a Sentence
Adjective
I try to avoid fatty foods.
fatty ground beef that was the cheapest available
Recent Examples on the Web
Christopher M. Filley, The Conversation, 3 Feb. 2026
Specifically, fatty fish are rich in EPA and DHA, which are types of omega-3 fatty acids that help lower triglycerides (another type of fat in the blood), reduce inflammation, and support healthy heart rhythm, Routhenstein says.
—Beth Krietsch, SELF, 22 Jan. 2026
Andrea Kane, CNN Money, 5 Feb. 2026
Chaaban recommends cooking fatty fish by baking, grilling, or broiling instead of frying.
—Jillian Kubala, Health, 5 Feb. 2026
See All Example Sentences for fatty
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.
Adjective
White matter, so named because of a pale, fatty substance called myelin that wraps the bundles of nerves, carries information between gray matter areas like highways in the brain.
—Christopher M. Filley, The Conversation, 3 Feb. 2026
Specifically, fatty fish are rich in EPA and DHA, which are types of omega-3 fatty acids that help lower triglycerides (another type of fat in the blood), reduce inflammation, and support healthy heart rhythm, Routhenstein says.
—Beth Krietsch, SELF, 22 Jan. 2026
Noun
Vitamin D, which is produced when sunlight hits your skin, can also be found in mushrooms, egg yolks, fatty fish as well as many fortified milk, non-dairy milk alternatives and yogurt.
—Andrea Kane, CNN Money, 5 Feb. 2026
Chaaban recommends cooking fatty fish by baking, grilling, or broiling instead of frying.
—Jillian Kubala, Health, 5 Feb. 2026
See All Example Sentences for fatty
Cite this Entry
“Fatty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fatty. Accessed 8 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
