01 a. Obtained directly from the first or original source; hence, without the intervention of an agent; -- of information; as, a firsthand report…
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Obtained directly from the first or original source; hence, without the intervention of an agent; -- of information; as, a firsthand report; firsthand information; firsthand knowledge.“One sphere there is . . . where the apprehension of him is first-hand and direct; and that is the sphere of our own mind.” — J. Martineau.