SPURT By N., Pam M.S. - April 13, 2013 a sudden and sharp increase in the rate of a process. See end spurt; initial spurt. SPURT: "A spurt is sudden increase." Related Psychology Terms GROWTH SPURT NICOTINE MEDIATING BEHAVIOR STAIRCASE PHENOMENON AROUSAL TRANSFER SPASM BRAIN GROWTH SELECTIVE CELL DEATH TYROSINE HYDROXYLASE FETAL RESPONSE Cite this page: N., Pam M.S., "SPURT," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/spurt/ (accessed March 4, 2021).