0 If you experience something firsthand, you experience it yourself:
Most of the older reporters have experienced war firsthand.
1 gained by doing something yourself or from someone who was involved in something:
Most of us have firsthand experience of teaching.
2 obtained personally, or directly from someone who is personally involved in something:
He has firsthand experience of what war is like.
Although the service may be somewhat useful, it should not be a substitute for firsthand research.
He uses his firsthand knowledge of space exploration to paint spectacular depictions of man on the moon and of his journey getting there.
The judge made an unusual bedside visit to get a firsthand look at the prisoner/patient's condition.
These issues notwithstanding, however, children have firsthand knowledge of particular clinically meaningful acts that their parents do not.
This obscurity only deepens when one moves to the more distant past, as the number of records and firsthand accounts rapidly dwindles.
The classical interpretation is refuted by some firsthand researchers in the field.
The degree of separation from the homeland, and firsthand knowledge of it, further compounds the matter of spatial depth.
