often attributive
1
a
: a sharp rigid process on a plant
especially : one that is a short, indurated, sharp-pointed, and leafless modified stem compare prickle, spine
b
: any of various sharp spinose structures on an animal
2
: a woody plant bearing sharp impeding processes (such as prickles or spines)
especially : hawthorn
3
: something that causes distress or irritation
often used in the phrase thorn in one's side
4
: the runic letter þ used in Old English and Middle English to represent either of the fricatives \th\ or \t͟h\ and in Icelandic to represent \th\
thorned adjective
thornless adjective
thornlike adjective

Examples of thorn in a Sentence

your constant questions are a thorn in my side
Recent Examples on the Web
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.
That matters because battery life has been a thorn in the Pixel Watch’s side. Sheena Vasani, The Verge, 18 Jan. 2025 Licensing delays at the Federal Aviation Administration have been a thorn in SpaceX's side for the last couple of years. Ars Technica, 16 Jan. 2025 McCarthy’s Packers were also a thorn in Jones’ side in 2014 and 2016, defeating two of Dallas’ top teams of the last 15 years in the playoffs. Jon MacHota, The Athletic, 14 Jan. 2025 Basic governance structure was a major sticking point during the Biden administration, and a primary reason Securities and Exchange Commission Chair Gary Gensler was a thorn in the side of the crypto industry. Kevin Williams, CNBC, 12 Jan. 2025 See all Example Sentences for thorn 

Word History

Etymology

Middle English, from Old English; akin to Old High German dorn thorn, Sanskrit tṛṇa grass, blade of grass

First Known Use

before the 12th century, in the meaning defined at sense 2

Time Traveler
The first known use of thorn was before the 12th century

Dictionary Entries Near thorn

Cite this Entry

“Thorn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thorn. Accessed 27 Jan. 2025.

Kids Definition

thorn

noun
1
: a woody plant bearing sharp processes (as prickles or spines)
especially : hawthorn
2
: a sharp stiff process on a plant
especially : a stem modified into a short, stiff, and leafless sharp point
3
: something or someone that causes distress or irritation
often used in the phrase thorn in one's side
thorned adjective
thornless adjective

More from Merriam-Webster on thorn

Last Updated: - Updated example sentences
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