The meaning of SPINY is abounding with difficulties, obstacles, or annoyances : thorny. How to use spiny in a sentence.

1. abounding in or having spines; thorny, as a plant. 2. covered with or having sharp-pointed processes, as an animal. 3. resembling a spine; spinelike. 4. difficult to handle; thorny: a spiny problem.

Definition of spiny adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

SPINY definition: 1. covered with spines (= long, sharp points like needles) 2. covered with spines (= long, sharp…. Learn more.

There are six meanings listed in OED's entry for the adjective spiny, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Spiny refers to something that has sharp, pointed protrusions or spikes, often used for protection or as a defence mechanism, primarily observed in plants or animals.

Apr 16, 2026 · Adjective spiny (comparative spinier, superlative spiniest) Covered in spines or thorns. Coordinate terms: (of pelage) hispid, bristly, silky, smooth Troublesome; difficult or vexing.

Spiny things are prickly or barbed, like a porcupine or a cactus. You have to be careful when you pick up something spiny. There are many spiny plants and animals, including roses, fish with spiny fins, sea …

spiny: Bearing or covered with spines, thorns, or similar stiff projections.

A spiny plant or animal is covered with long sharp points. ...a spiny lobster. ...a spiny cactus.