Definition of spike
1 : a very large nail
2a : one of a row of pointed irons placed (as on the top of a wall) to prevent passageb (1) : one of several metal projections set in the sole and heel of a shoe to improve traction (2) plural : a pair of shoes having spikes attached to the soles or soles and heelsc : spindle 1e
3 : something resembling a spike: asa : a young mackerel not over six inches (15.2 centimeters) longb : an unbranched antler of a young deer
4 plural : spike heel 2
5 : the act or an instance of spiking (as in volleyball)
6a : a pointed element in a graph or tracingb : 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
Origin of spike
Middle English, probably from Old Norse spīk splinter & spīkr spike; akin to Middle Dutch spiker spike — more at spoke
First Known Use: 13th century
Simple Definition of spike
: to add alcohol or drugs to (food or drink)
: to add something that gives flavor or interest to (something)
: to increase greatly in a short period of time
Full Definition of spike
1 : to fasten or furnish with spikes
2a : to disable (a muzzle-loading cannon) temporarily by driving a spike into the ventb : to suppress or block completely <spiked the rumor>
3a : to pierce or impale with or on a spikeb : to reject (as a story) for publication or broadcast for editorial reasons
4a : 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 (as a radioactive tracer) tod : to add vitality, zest, or spice to : liven <spiked the speech with humor> <spike the broth with peppers>
5 : to drive (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°>
: to increase sharply <battery sales spiked after the storm>
Examples of spike
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.
First Known Use of spike
Definition of spike
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
Seen and Heard
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