All 5 Uses

firsthand
in
Change of Heart, by Picoult
(Auto-generated)

Sure, the aesthetician tosses a washcloth the size of a gauze square over your privates when she's scrubbing you down, and she's got a poker face that never belies whether she's calculating your body mass index under her palms—but still, you're painfully aware of your physique, if only because someone's experiencing it firsthand with you.†
I knew firsthand how well he could lie and what might come of it—this was nothing more than some publicity stunt to make everyone feel badly for him, because after a decade, who even remembered feeling badly for that police officer, that little girl?†
*
They're not even the apostles' firsthand accounts of the word of God.†
No. He said I deserved to hear it firsthand.†
You saw the evidence firsthand.†

Definitions:

(1) (firsthand)
received directly from the original source; or experienced in person
(2) (meaning too rare to warrant focus)