thornier; thorniest
Synonyms of thornynext
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.
Connecting people with clinical trials is complicated – even if people identify a promising match, there’s a slew of potentially thorny factors, including geographic incompatibility, and financial and time considerations. Michelle Andrews, USA Today, 15 Aug. 2026 The two companies have a number of complementary businesses — including substantial pipeline and storage networks — but combining the operations would have been thorny. Rohan Goswami, semafor.com, 14 Aug. 2026 The film’s poetic structure broaches such thorny topics without rushing toward easy resolution. Rafaela Bassili, Variety, 12 Aug. 2026 Taken together, these cases and others like them suggest a thorny and complex narrative about the philosophy and history of art. Literary Hub, 12 Aug. 2026 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

Browse Nearby Words

Cite this Entry

“Thorny.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thorny. Accessed 20 Aug. 2026.

Kids Definition

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster