Pronunciation: /spaɪk/
noun a sudden increase or rise in something, such as a graph or chart
A1 I found a spike on the ground.
A2 The hedgehog had spikes on its back.
B1 The company saw a spike in sales after launching their new product.
B2 The athlete's performance showed a spike in improvement after changing their training routine.
C1 The stock market experienced a sudden spike in volatility.
C2 The scientist observed a spike in temperature readings during the experiment.
verb to add alcohol or drugs to a drink without someone's knowledge
A1 I accidentally spiked my finger with a needle while sewing.
A2 The price of gas spiked suddenly, causing long lines at the pump.
B1 The athlete's performance spiked after changing their training routine.
B2 The company's stock price spiked after announcing a new product launch.
C1 The sudden spike in COVID-19 cases led to stricter lockdown measures.
C2 The controversial decision by the government spiked public outrage and protests.
adjective being at a high point or peak
A1 The hedgehog has a small spike on its back.
A2 The spike protein of the virus is being studied by scientists.
B1 There was a spike in sales after the new product launch.
B2 The company's stock price spiked after the announcement of a new partnership.
C1 The athlete's performance spiked after working with a new coach.
C2 The spike in interest rates caused a downturn in the housing market.
adverb in a sharp or sudden manner
A1 The cat jumped over the fence and landed on the spike.
A2 She felt a sharp spike of pain in her ankle after twisting it.
B1 The temperature spiked suddenly, causing everyone to seek shade.
B2 The company's profits spiked after the successful launch of their new product.
C1 The athlete's performance spiked dramatically after switching to a new training regimen.
C2 The stock market experienced a sudden spike in trading volume due to a major announcement.
formal The sudden spike in interest rates caused a ripple effect throughout the economy.
informal I can't believe how the prices spiked up overnight!
slang Did you see the spike in her hair? It looks so cool!
figurative Her emotions spiked when she saw her ex with someone else.
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