firsthand UK /ˈfɜːstˌhænd/US /ˈfɝstˌhænd/adjective 2adverb 1 adjective2 •Direct, without intermediate stages.I recently received a firsthand report from an old friend — John A. Keel — who until last year was as skeptical a newshound as I have known. — 1967 •Not previously owned or used; contrasted with secondhand. adverb1 •Directly or from personal experience.In the course of three intensive days in and around Guiyu's four villages, the small investigative team witnessed firsthand what passes for recycling of e-waste in Asia. — 2002