spiked
adjectiveUK /spaɪkt/
US /spaɪkt/
Something spiked has sharp points sticking out of it.
The knight wore spiked boots to grip the ice.
OTHER MEANINGS
2. Made stronger by secretly adding alcohol or another substance.
The punch was spiked with something strong.
3. Suddenly increased a lot.
Prices spiked during the holiday rush.
4. Marked with a spike or sharp mark on a chart.
The graph showed a spiked line at noon.