spike

1 of 3

noun (1)

ˈspīk 

plural spikes

1

: a very large nail

2

a

: one of a row of pointed irons placed (as on the top of a wall) to prevent passage

b(1)

: one of several metal projections set in the sole and heel of a shoe to improve traction

(2)

spikes plural : a pair of shoes having spikes attached to the soles or soles and heels

They met when after a round of golf he came into the restaurant at which she worked—still wearing his golf spikes.

—John Strege

c

: spindle sense 1e

3

: something resembling a spike: such as

a

: a young mackerel not over six inches (15.2 centimeters) long

b

: an unbranched antler of a young deer

c

: spike protein

Without its spikes, the pathogen can't get into human cells.

—Katherine J. Wu

4

spikes plural : spike heel sense 2

5

: the act or an instance of spiking (as in volleyball)

6

a

: a pointed element in a graph or tracing

b

: an unusually high and sharply defined maximum (as of amplitude in a wave train)

7

slang : hypodermic needle

8

: a momentary sharp increase and fall in electric potential

also : action potential

9

: an abrupt sharp increase (as in prices or rates)

a spike in unemployment

a spike in the number of infections

spikelike

ˈspīk-ˌlīk 

adjective

spike

2 of 3

verb

spiked; spiking

transitive verb

1

: to fasten or furnish with spikes

2

a

: to disable (a muzzle-loading cannon) temporarily by driving a spike into the vent

b

: to suppress or block completely

spiked the rumor

3

a

: to pierce or impale with or on a spike

b

: to reject (a story) for publication or broadcast for editorial reasons

4

a

: to add an alcoholic beverage to (a drink)

spiked the punch

b

: to add a foreign substance to

spike the coffee with tranquilizers

c

: to add something highly reactive (such as a radioactive tracer) to

d

: to add vitality, zest, or spice to : liven

spiked the speech with humor

spike the broth with peppers

5

: to drive (something, such as a volleyball) sharply downward with a hard blow

also : to throw down sharply

spiked the ball in the end zone

6

: to undergo a sudden sharp increase in (temperature or fever)

the patient spiked a fever of 103°

intransitive verb

: to increase sharply

battery sales spiked after the storm

spiker noun

spike

3 of 3

noun (2)

1

: an ear of grain

2

: an elongated inflorescence similar to a raceme but having the flowers sessile on the main axis see inflorescence illustration

Synonyms

Verb

• gore
• harpoon
• impale
• jab
• lance
• peck
• pick
• pierce
• pink
• puncture
• run through
• skewer
• spear
• spit
• stab
• stick
• transfix
• transpierce

Examples of spike in a Sentence

Verb

Someone spiked the punch at the party.

The medication caused his blood pressure to spike.

She spiked the ball and scored the winning point.

After he scored a touchdown he spiked the ball in the end zone.

Recent Examples on the Web

Noun

An ideologically diverse cross-section of economists agrees that the American Rescue Plan added a couple of percentage points to inflation, but didn’t cause the wider spike. —Matthew Crowley, Louis Jacobson, Austin American-Statesman, 21 Nov. 2024

What's happening: The Trevor Project, an organization that serves LGBTQ+ young people, reported the largest spike in daily contact volume to its crisis services post-election. —Avery Lotz, Axios, 20 Nov. 2024

Verb

In the days following the election, online searches by Americans looking to leave the country spiked after President-elect Donald Trump defeated Vice President Kamala Harris. —Matt Robison, Newsweek, 21 Nov. 2024

Henley & Partners, which claims to have invented the concept of citizenship-by-investment in the 1990s, said inquiries by US nationals via its website spiked almost 400% the week of the election compared with the prior week. —Hanna Ziady, CNN, 20 Nov. 2024

Word History

Etymology

Noun (1)

Middle English, probably from Old Norse spīk splinter & spīkr spike; akin to Middle Dutch spiker spike — more at spoke

Noun (2)

Middle English spik, from Latin spica — more at spine

First Known Use

Noun (1)

13th century, in the meaning defined at sense 1

Verb

1624, in the meaning defined at transitive sense 1

Noun (2)

14th century, in the meaning defined at sense 1

Phrases Containing spike

• spike glycoprotein
• spike heel
• spike lavender
• spike protein
• spike someone's guns
• spike-tooth harrow

Kids Definition

spike

1 of 3 noun

ˈspīk 

1

: a very large nail

2

a

: one of the metal objects set in the sole and heel of a shoe (as a baseball shoe) to prevent slipping

b

plural : a pair of shoes having spikes

3

: an unbranched antler of a young deer

4

: the act or an instance of spiking (as in volleyball)

5

: a pointed element (as in a graph)

spike

2 of 3 verb

spiked; spiking

1

: to fasten or furnish with spikes

2

: to pierce or cut with or on a spike

3

: to add alcoholic liquor to a drink

4

: to drive (as a volleyball) sharply downward

5

: to increase sharply

battery sales spiked after the storm

spike

3 of 3 noun

1

: an ear of grain

2

: a long usually rather narrow cluster of flowers in which the blossoms grow close to the central stem

Etymology

Noun

Middle English spike "a large nail"; probably of Scandinavian origin

Noun

Middle English spik "a head of a stalk of grain, ear," from Latin spica (same meaning)

Medical Definition

spike

1 of 2 noun

ˈspīk 

: a change (as in voltage) involving a sharp increase and fall or a recording of this: as

a

: the pointed element in the wave tracing in an electroencephalogram

b

: a sharp increase in body temperature followed by a rapid fall

a fever with spikes to 103°

c(1)

: the sharp increase and fall in the recorded action potential of a stimulated nerve cell that during the increasing phase corresponds to an inrush of sodium ions to the interior of the cell and during the decreasing phase corresponds to a slowing of the influx of sodium ions and to an increasing efflux of potassium ions to the exterior

(2)

: action potential

spike

2 of 2 transitive verb

spiked; spiking

: to undergo a sudden sharp increase in (temperature or fever) usually up to an indicated level

infected patients spiked fevers as high as 105°F