spiked
adj.adj. having sharp points or showing a sudden, large increase in something. You use it to describe hair that stands up or a graph that goes up very fast.
adj. characterised by sharp, pointed protrusions or exhibiting a sudden, sharp increase in value or intensity. Often used as a participial adjective to describe physical textures or statistical trends.
The graph shows a spiked increase in sales this month.
He walked into the room with spiked hair and a leather jacket, looking like a 1970s punk rocker.
Economists noted that while the market remained stable for most of the year, it experienced a spiked volatility immediately following the unexpected election results.
Often follows a linking verb like 'look' or 'become', or precedes a noun as a modifier.