All 4 Uses

shrewd
in
Dubliners
(Auto-generated)

She stopped, as if she were communing with the past and then said shrewdly: "Mind you, I noticed there was something queer coming over him latterly.†
Chpt 1

shrewdly = in a smart manner
Jimmy had a respect for his father's shrewdness in business matters and in this case it had been his father who had first suggested the investment; money to be made in the motor business, pots of money.†
Chpt 5

shrewdness = intelligence
Polly, of course, flirted with the young men but Mrs. Mooney, who was a shrewd judge, knew that the young men were only passing the time away: none of them meant business.†
Chpt 7 *

shrewd = smart
The part of mother presented to her no insuperable difficulties and for twenty-five years she had kept house shrewdly for her husband.†
Chpt 14

shrewdly = in a smart manner

Definitions:

(1) (shrewd)
smart -- especially in negotiating with people (may infer underhanded dealings)
(2) (meaning too rare to warrant focus)