Empirical
Empirical adjective - Based on observation or experience.
First hand and empirical are semantically related. In some cases you can replace phrase "First hand" with "Empirical", this terms are similar.
First hand
Empirical and first hand are semantically related. You can use "Empirical" instead an adjective phrase "First hand".
Mutual synonyms
Cite this Source
First hand and Empirical. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/empirical/first_hand
Empirical & First hand. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/empirical/first_hand>.
First hand or Empirical. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/empirical/first_hand.
Google Ngram Viewer shows how "empirical" and "first hand" have occurred on timeline