thornier; thorniest
1
: full of thorns
2
: full of difficulties or controversial points : ticklish
a thorny problem
thorniness noun

Examples of thorny in a Sentence

stay out of the thorny brambles unless you want a ton of scratches
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.
Join Our Other Game Discussions Want to be part of the conversation about New York Times Games, or maybe get some help with a particularly thorny puzzle? Deb Amlen, New York Times, 25 Apr. 2025 Leather should not be used for potting plants in wet soil, while rubber gloves shouldn't be used for trimming a thorny rose bush. Brandee Gruener, Southern Living, 22 Apr. 2025 The gestures of humility endeared Francis to liberals inside and outside the Catholic Church, who hailed the pope for his unconventional decision to jump head-first into thorny political fights, frequently on behalf of minorities. Alex Gangitano, The Hill, 21 Apr. 2025 The political questions doctrine, which dates to 1803, is a principle saying that courts should avoid tackling thorny political questions that are best left to Congress or the president. Paul M. Collins Jr., The Conversation, 9 Apr. 2025 See All Example Sentences for thorny

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

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

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Cite this Entry

“Thorny.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thorny. Accessed 7 May. 2025.

Kids Definition

thorny

adjective
thornier; thorniest
1
: full of or covered with thorns
thorny rose bushes
2
: full of difficulties
a thorny problem
thorniness noun

More from Merriam-Webster on thorny

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