† imˈpostural, a. Obs. rare.
[f. as prec. + -al1.]
= impostorous.
| 1588 J. Harvey Disc. Probl. 71 The vnruly and presumptuous insolencie of such imposturall prophets. 1612 T. James Jesuits' Downf. 1 A most impostural corporation, that haue cleane forsaken and forfeited the spirit of the Catholicke Church. |