Home › Words › T › tardationtardationtardation means the act of slowing down or delaying.Among words judged in Lexicurio's Arena, tardation ranks #2,164 of 42,820 for Qualifying.EtymologyLatin tardatio, from tardare, tardatum (“to retard, delay”), from tardus (“slow”).nounThe act of slowing down or delaying.Definitions & examples from Wiktionary (CC BY-SA 3.0).