spiking adjective 3noun 1forms 1 adjective3 •spiky •Associated with or causing one or more sudden sharp increases.The presence of background material often increases the difficulty level for analysis because the background may hide the spiking chemicals or may even react with the spiking chemicals. — 2005 •protruding like a spike.By referring to Figs. 1, and 2, it will be seen that the spiking pieces are all in place along the edges of the " tees " of beams and girders. — 1912 noun1 •The act by which something is spiked.You're looking for reported cases of suspected poisonings, drink-spikings leading to illness or death, unexplained deaths that could have been down to poison, anything like that. — 2012 formsspikings
