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.
But coverage can be thorny, especially for weight loss, and some insurers are reducing coverage. Meg Tirrell, CNN Money, 17 Oct. 2025 The Magic Kingdom’s Villains Land will include two major attractions, dining and shopping in a dark, devious and thorny land where the evil ambitions of Disney Villains can run wild and their stories can be told. Brady MacDonald, Oc Register, 17 Oct. 2025 Of course, the idea of having an AI board member opens up a host of thorny ethical issues. Lee Clifford, Fortune, 16 Oct. 2025 But with those steps completed, several thorny issues loom. Jared Gans, The Hill, 14 Oct. 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 20 Oct. 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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