Emily Dickinson Lexicon

SHREWD'LY, adv.

1. Mischievously; destructively. This practice bath most shrewdly past upon thee. – Shak. [Obs.]
2. Vexatiously; used of slight mischief. The obstinate and schismatical are like to think themselves shrewdly hurt by being cut from that body they chose not to be of. [Obs.] – South. Yet seem'd she not to wince, though shrewdly pain'd. [Obs.] – Dryden.
3. Archly; sagaciously; with good guess; as, I shrewdly suspect; he shrewdly observed. – Locke.