spiky

US /ˈspaɪ.ki/
UK /ˈspaɪ.ki/
"spiky" picture
1.

having many sharp points

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The cactus has spiky leaves.
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He has spiky hair.
:
pointedpricklythornysharpjagged
2.

easily annoyed or angered; irritable

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She was feeling a bit spiky after a long day at work.
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His comments were a bit spiky, but he meant well.
:
irritablegrumpytestypeevishsnappy