expert witness

noun

A witness that has expertise in a certain field.

Opposite
lay witness

Meanings

nounexpert witness (plural expert witnesses)

plural expert witnesses

  1. lawA witness that has expertise in a certain field.
    1 more example

    October 23 2012, Nicolas Bourcier in Guardian Weekly, Brazil comes to terms with its slave trading past In a sensational decision this April the 10 supreme court judges unanimously ruled in favour of positive discrimination in higher education, declaring that the racial quotas in Brazilian universities were constitutional and redressed the "social debt of slavery". Dozens of expert witnesses were heard and the ruling was televised live.

Synonyms & antonyms

nouna witness who has knowledge not normally possessed by the average person concerning the topic that they are to testify about

Opposite
lay witness
Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Bulgarian вещо лице
  • вещо лице (vešto lice)witness with topical expertise
Finnish asiantuntijatodistaja
  • asiantuntijatodistajawitness with topical expertise
French témoin expert
  • témoin expertwitness with topical expertise
German Sachverständiger
  • Sachverständigerwitness with topical expertise
Greek πραγματογνώμονας, πραγματογνώμων
  • πραγματογνώμονας (pragmatognómonas)witness with topical expertise
  • πραγματογνώμων (pragmatognómon)witness with topical expertise
Indonesian saksi ahli
  • saksi ahliwitness with topical expertise
Polish biegły, biegła
  • biegływitness with topical expertise
  • biegławitness with topical expertise
Spanish testigo pericial
  • testigo pericialwitness with topical expertise
Swedish expertvittne
  • expertvittnewitness with topical expertise
Turkish bilirkişi
  • bilirkişiwitness with topical expertise
Cite this entry
APA

expert witness. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/expert%20witness

MLA

“expert witness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/expert%20witness. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “expert witness,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/expert%20witness.

Source: expert witness on Wiktionary, CC BY-SA 4.0.