snot
Americannoun
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Vulgar. mucus from the nose.
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Informal. a disrespectful or supercilious person.
noun
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nasal mucus or discharge
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slang a contemptible person
Etymology
Origin of snot
1350–1400; Middle English; compare Middle Low German, Middle Dutch snotte, Old English gesnot, Danish snot
Explanation
Snot is the discharge that comes from your nose when you have a bad cold. You'll want to carry tissues or a handkerchief with you when you're sneezing, to keep the snot contained. There are two meanings of the noun snot: the first, mucus, can be unpleasant. The second meaning, an irritatingly arrogant person, is also unpleasant. If a little kid acts like a snot, his babysitter is definitely not going to let him stay up past his bedtime. If you're a snot to your best friend, she might not speak to you the next day. Snot comes from the Old English word gesnot, or "nasal mucus," from a Germanic root.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Lactoferrin is an immune protein present in almost every body fluid except blood, including breast milk, tears, saliva, snot, and intestinal mucus.
From Science Daily ● Sep. 28, 2026
"Upload raw images, no filters. You could have snot coming out your nose and nobody would judge."
From BBC ● Aug. 9, 2026
Don’t look now, but a Lincoln Riley team just beat the snot out of a Big Ten bruiser.
From Los Angeles Times ● Oct. 12, 2025
Sparks's fans agree — a recent Goodreads review enthuses that "The snot bubbles were bubbling the entire time I was reading this book."
From Salon ● Oct. 8, 2024
Ugly-crying, his shoulders shaking, snot streaming from his nose.
From "Maybe He Just Likes You" by Barbara Dee
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.