Synonyms for Firsthand:

adj.

direct (adjective)
immediate, primary.

n.

immediate, near, clear, direct. firsthand (noun)
primary.

Other synonyms:

direct. immediate. Other relevant words:
immediate, near, clear, direct.

Usage examples for firsthand

  1. I had my ghost- a firsthand authenticated article. – The Phantom 'Rickshaw and Other Ghost Stories by Rudyard Kipling
  2. There have been several accounts of the activities of the Vigilance Committee, but this is firsthand information from one who was on the ground at the time, and for this reason it is considered a valuable contribution to the history of those troublous days. – A Sketch of the Causes, Operations and Results of the San Francisco Vigilance Committee of 1856 by Stephen Palfrey Webb