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.
Hepburn’s thorny performance veers away from her typical sparkling ingenue presence toward something more brittle (watching Holly Golightly restrain herself from cursing out a precocious, irritating child delights). Gráinne O'Hara Belluomo, Footwear News, 26 May 2025 The relationship has long proved thorny due to strained political ties during the latter years of the reign of Zimbabwe dictator Robert Mugabe. Tristan Lavalette, Forbes.com, 22 May 2025 The thorny issue was re-litigated at a fascinating reunion, where Lyons finally spoke up and asserted herself as the voice of reason — and the matriarch — of the group. Louis Staples, Rolling Stone, 13 May 2025 What school data show The issue of discipline in education is a thorny one — from preschool to high school — and norms have been changing in recent years, driven in part by data that have illuminated who is suspended. Daniel Miller, Los Angeles Times, 1 May 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 5 Jun. 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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