a. [f. COUNTERMAND v. + -ABLE.] That can be countermanded.
a. 1626. Bacon, Max. & Uses Com. Law, xiv. (1636), 56. Grants are never countermandable whereas declarations evermore are countermandable in their natures.
1883. Addison, Contracts (ed. 8), 656. A guarantee to secure moneys to be advanced to a third party for the space of twelve calendar months, is countermandable within that time.