keenly
/ˈkiːnli/ adverb C1- In a keen manner. · watch something keenly· We played keenly.
From the library
“Ah,” said Anthony, keenly; “what’s her name?”
I was pained at the mistake, for I knew how keenly Holmes would feel any slip of the kind.
Holmes was silent and motionless; but I could tell that he was keenly alert, and that his eyes were fixed intently upon the stream of passers-by.
Holmes looked keenly at him.
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