unspike verb 4noun 1forms 3 verb4 •To remove a spike from.To unspike a cannon, attempt to drive the spike into the bore with a punch; if this succeeds, and the bore be obstructed, introduce powder into the vent to force the obstacle out. — 1862 •To make or become less spiky.He can easily unspike his hair and float the skateboard down the river. — 2010 •To neutralize the alcohol (or other adulterant) in a food, drink, or other substance.HOW TO UNSPIKE OUR SWEETS Our spiked desserts ( pages 104-105 ) have real punch! — 1984 •To return to a normal level after a very high spike.The applied (or absorbed) microwave power in the plasma does not appear to have a first order affect on the conditions at which the plasma either spikes or unspikes. — 1993 noun1 •An instance of unspiking (any sense).This included an unspike oxygen uptake of mixed liquor, and a mixed liquor sample spiked with 10% by volume primary effluent. — 1980 formsunspiked · unspiking · unspikes