dilutive,a.rare.|dɪ-, daɪˈl(j)uːtɪv| [f. L. dīlūt-ppl. stem of dīluĕre to dilute: see -ive.] Having the property of diluting, tending to dilute. 1620Venner Via Recta viii. 184 They wholly betwixt dinner and supper abstaine from drinke, excepting onely a Dilutiue draught.