spinier; spiniest
1
: abounding with difficulties, obstacles, or annoyances : thorny
spiny problems
2
: covered or armed with spines
broadly : bearing spines, prickles, or thorns
3
: slender and pointed like a spine
spininess noun

Examples of spiny in a Sentence

this promises to be a spiny problem to negotiate
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.
The tuatara of New Zealand, a spiny reptilian relic, can outlive generations of researchers studying it. Scott Travers, Forbes.com, 29 Mar. 2025 Though these prawns have spiny shells that are difficult to peel, the meat has a sweet taste like lobster, making this entree one of the eatery’s main attractions. Patrick Connolly, Orlando Sentinel, 21 Mar. 2025 Zebra and quagga mussels, spiny water flea and dozens of other Eurasian organisms colonized the Great Lakes starting in the late 1900s after arriving in ballast water from transoceanic ships. Christine Keiner, The Conversation, 28 Feb. 2025 Aloe vera is a spiny succulent plant that looks similar to agave. Atenea Morales De La Cruz, Vogue, 13 Feb. 2025 See All Example Sentences for spiny

Word History

First Known Use

1586, in the meaning defined at sense 1

Time Traveler
The first known use of spiny was in 1586

Browse Nearby Words

Cite this Entry

“Spiny.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spiny. Accessed 2 Apr. 2025.

Kids Definition

spiny

adjective
spinier; spiniest
1
: full of difficulties, obstacles, or problems : thorny
2
: having or covered with spines, thorns, or prickles
spininess noun

More from Merriam-Webster on spiny

Last Updated: - Updated example sentences
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