spike
Translation
spike, sharp point, sudden increase
Examples
The fence has sharp spikes on top.
The fence has sharp spikes on top.
There was a sudden spike in prices.
There was a sudden spike in prices.
Athletes wear spikes for running.
Athletes wear spikes for running.
Grammar Patterns
a spike a thin object with a sharp point The wall was topped with metal spikes.
a spike in ((sth.)) a sudden large increase in (sth.) There has been a spike in inflation.
Similar Words
Synonyms: point, prong, surge, rise
Etymology
From Old Norse *spīk* meaning 'splinter'.
Memory Tips
Imagine a line on a graph 'spiking' upwards to form a sharp 'point'. This helps remember both meanings.