adverb
Etymology: Middle English shrewedly, from shrewed shrewd + -ly
: in a shrewd manner: as
a. : hurtfully , severely
gore him shrewdly in the exposed flank — James Stevenson-Hamilton
b. : intensely
hated each other shrewdly — H.O.Taylor
c. : astutely , knowingly
shrewdly estimating his son as a man of very mediocre parts — Herman Wouk
her eyes followed him shrewdly — Liam O'Flaherty