firsthand (adv.)
firsthand (adj.)
- absolute
- admissible
- authentic
- avant-garde
- callow
- certain
- circumstantial
- conclusive
- convincing
- creative
- cumulative
- damning
- decisive
- determinative
- dewy
- documentary
- documented
- evergreen
- evidential
- evidentiary
- factual
- final
- fledgling
- fresh
- green
- hearsay
- imaginative
- immature
- immediate
- implicit
- incontrovertible
- indicative
- indisputable
- intact
- irrefutable
- irresistible
- maiden
- maidenly
- material
- new
- novel
- original
- overwhelming
- presumptive
- primary
- pristine
- probative
- raw
- reliable
- revolutionary
- significant
- suggestive
- sure
- symptomatic
- telling
- unbeaten
- underived
- undeveloped
- unfledged
- unique
- untouched
- untried
- untrodden
- unused
- valid
- vernal
- virgin
- virginal
- weighty
- young
