adv. [f. VACANT a. + -LY2.] In a vacant manner; † in freedom from business or work.
1615. Sandys, Trav., 288. Great is the difference between leading thy life vacantly and leading it slouthfully.
1817. Shelley, Rev. Islam, V. 1915. Its sculptured walls vacantly to the stroke of footfalls answered.
1839. Dickens, Nickleby, xv. The back parlour sat with her mouth wide open staring vacantly at the collector, in a stupor of dismay.
1897. O. Rhoscomyl, White Rose Arno, 322. Striding over to the place he laughed vacantly as he heard the story.