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

thorniness

2 of 2

noun

thorn·​i·​ness
-nēnə̇s, 
-nin-
plural -es
: the quality or state of being thorny

Examples of thorny in a Sentence

Adjective stay out of the thorny brambles unless you want a ton of scratches
Recent Examples on the Web
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Adjective
As Charles and Cathy, the duo is gifted the show’s thorniest relationship. — Kate Erbland, IndieWire, 29 Sep. 2026 One thorny issue has been how to deal with threatened wastewater infrastructure on San Francisco’s coast, along Ocean Beach. — Los Angeles Times, 28 Sep. 2026 Director Janus Metz Pedersen elides the thornier aspects of Kaczynski’s life and career and instead focuses primarily on his years as a Harvard undergrad, intercutting it with the FBI manhunt that finally brought him to justice in 1996. — Bilge Ebiri, Vulture, 25 Sep. 2026 When Bender considers moving to a rival network, Wever fleshes out the tough carapace of a woman who, even under the thorniest of circumstances, never stops calculating her next move. — Justin Chang, New Yorker, 25 Sep. 2026 See All Example Sentences for thorny

Word History

First Known Use

Adjective

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 3 Oct. 2026.

Kids Definition

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