underestimation underestimate • underexcited · · · Info · Definitions · Synonyms · Characters · · underestimation · · Text Latin · · Script 15 · · Length Definitions · · · (noun) an estimation that is too low; an estimate that is less than the true or actual value. Synonyms: underestimate, underrating, underreckoning. · · Noun Definition 1 Synonyms · · · underestimate · · Synonym 1 underrating · · Synonym 2 underreckoning · · Synonym 3 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075