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Definitions

spike

[spahyk] / spaɪk /
VERB
pierce
Synonyms
STRONG
fasten impale lance nail pin prick skewer spear spit stick transfix
WEAK
make fast
Antonyms
STRONG
detach loosen release unfasten

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We had the biggest spike in the first couple months. ... There really hasn’t been a massive uptick in sales since.”

From Los Angeles Times • Apr. 9, 2026

The company’s quick response to the spike in fuel costs through surcharges and higher fares, coupled with strong travel demand, led to profit and revenue that beat expectations and an upbeat outlook.

From MarketWatch • Apr. 8, 2026

If sustained, a lower spike in inflation would also help keep interest rates from rising.

From BBC • Apr. 8, 2026

Airline stocks have broadly suffered from a spike in jet fuel prices during the Iran war.

From Barron's • Apr. 7, 2026

I drove the spike into the bottom boards.

From "Rebecca" by Daphne du Maurier