IPA: //ʌnˈkæl.kjʊ.leɪ.tɪd//
KK: /ʌnˈkæl.kjʊ.leɪ.tɪd/
Something that is not planned or thought out in advance; it happens spontaneously without prior consideration.
His uncalculated decision led to unexpected consequences.
Uncalculated → It is formed from "un-" (meaning not) and "calculated" (from Latin "calculare", meaning to count or compute). The word "uncalculated" means not counted or not computed, indicating something that has not been measured or assessed.
Think of 'not' ('un-') counting or 'computing' ('calculare') something — that's why uncalculated means something that hasn't been measured.