backshift /ˈbækʃɪft/noun 2verb 1forms 3 noun2 •The changing of the tense of a verb from present to past in reported speech. •A function on a stochastic process whose value on any random variable is the preceding random variable in the process. verb1 •To change the tense of a verb from present to past in reported speech. formsbackshifted · backshifting · backshifts