† atramenˈtitious,a.Obs.rare—1. In 7 atrim-. [f. L. ātrāment-um(see above) + -itious.] Of the nature of blacking or ink. 1650Bulwer Anthropomet. xxii. 255 The Moores might possibly become Negroes; receiving atrimentitious impression by the power and efficacy of imagination.