I / imprŏpĕrĭum
noun

imprŏpĕrĭum

gen. imprŏpĕrĭi · gender neuter · decl. 2nd
(), , 2. impropero
a reproach; taunt
a reproach, taunt (eccl. Lat.), Lact. 4, 18, 32; Vulg. Rom. 15, 3 al.; cf. improperium ὀνείδισις, Gloss. Philox.