mordacity
noun
mor·dac·i·ty
mȯ(r)ˈdasətē,
-aas-,
-ətē,
-i
plural -es
1
archaic : a readiness to bite
2
: a biting quality of speech
Word History
Etymology
Latin mordacitat-, mordacitas, from mordac-, mordax + -itat-, -itas -ity