spike up

B2 neutral inseparable intransitive

In simple words

to go up very fast in a short time

Literal meaning: to go up like a sharp spike

Meanings

1 B2 idiomatic neutral

common

to increase very quickly and sharply

"Fuel prices spiked up again after the storm."

Grammar: inseparable

Usage notes

Common in business, medicine, statistics, and news reporting. Usually used for numbers, prices, cases, rates, or demand.

prices cases demand temperature numbers inflation

Base

spike up

I/you/we/they

3rd person

spikes up

he/she/it

Past simple

spiked up

yesterday

Past participle

spiked up

have + pp

-ing form

spiking up

continuous

Try:

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rise sharply shoot up jump surge climb rapidly

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