ppl. a. [UN-1 8.]
† 1. Not subjected to restraint. Obs.1
1743. Young, Nt. Th., V. 122. Thoughts uncontrould, and unimpressd, the births Of pure election.
2. Not affected by feelings of respect or awe.
1861. [F. W. Robinson], Under the Spell, I. 300. He did not mind her being un-impressed by the knowledge that her father was only his tutor.
1896. Mrs. Caffyn, Quaker Grandmother, 110. Mossy did this sort of thing remarkably well. But Miriam was quite unimpressed.
3. Not bearing an impression.
1868. Herschel, in Peoples Mag., Jan., 63. Do the same with one side of the unimpressed square, and then apply the one square to the other, the impression being between them.