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English definition of “spiky”

spiky

adjective uk   /ˈspaɪ.ki/ us  

spiky adjective (POINTED)

covered with spikes or having that appearance: a spiky cactus spiky leaves spiky hair

spiky adjective (BAD MOOD)

informal easily annoyed and not polite: a spiky teenager
(Definition of spiky from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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