spikey
/ˈspaɪki/
adjective
- Having sharp points or spikes.
- The plant has spikey leaves that can hurt if you touch them.
- She wore a spikey bracelet that caught on her sleeve.
- The hedgehog's back is very spikey and prickly.
- Easily annoyed or quick to become angry; irritable.
- The coach was spikey after the team lost the game.
- Her spikey attitude made it hard to work with her.
- He gets a bit spikey when he hasn't had enough sleep.
- Rising and falling sharply; having sudden increases and decreases.
- The spikey line on the graph indicates irregular heartbeats.
- The fever was spikey, going up and down all night.
- The spikey pattern on the chart shows the stock's volatility.