1
: belonging to, used in, or suitable to courts of judicature or to public discussion and debate
a lawyer's forensic skills
2
: argumentative, rhetorical
forensic eloquence
3
: relating to or dealing with the application of scientific knowledge to legal problems
forensic medicine
forensic science
forensic pathologist
forensic experts

forensic

2 of 2

noun

1
: an argumentative exercise
2
forensics fə-ˈren(t)-siks How to pronounce forensic (audio)
-ˈren-ziks
plural in form but singular or plural in construction : the art or study of argumentative discourse
3
forensics plural in form but singular or plural in construction : the application of scientific knowledge to legal problems
especially : scientific analysis of physical evidence (as from a crime scene)

Did you know?

The noun forensic, meaning “an argumentative exercise” derives from the adjective forensic, whose earliest meaning in English is “belonging to, used in, or suitable to courts or to public discussion and debate.” The English word was derived from a Latin word forensic meaning “of the market place or forum, public,” which in turn comes from the Latin word forum, meaning “market place, forum.”

Examples of forensic in a Sentence

Recent Examples on the Web
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Adjective
Primark, for instance, employs CottonConnect’s TraceBale system to digitally track cotton from the farm through the ginning and spinning processes, adding forensic scientific testing from Oritain to further verify the fiber’s geographic origin. — Jasmin Malik Chua, Footwear News, 30 Oct. 2026 Priscilla Kenyon, manager of forensic nursing at JPS, said the biggest change for survivors is that JPS will now be able to respond with a forensic nurse 24/7 for victims of intimate partner violence and strangulation. — Ciara McCarthy, Fort Worth Star-Telegram, 29 Oct. 2026
Noun
The prosecution's final witness Wednesday was Jessica Hyde who owns a digital forensics company. — Kristina Rex, CBS News, 28 Oct. 2026 Bell gave Conan Doyle the method, and Littlejohn gave him the world of forensics. — ArsTechnica, 26 Oct. 2026 See All Example Sentences for forensic

Word History

Etymology

Adjective and Noun

Latin forensis public, forensic, from forum forum

First Known Use

Adjective

1659, in the meaning defined at sense 1

Noun

1844, in the meaning defined at sense 2

Time Traveler
The first known use of forensic was in 1659

Browse Nearby Words

Cite this Entry

“Forensic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/forensic. Accessed 1 Nov. 2026.

Kids Definition

forensic

adjective
fo·​ren·​sic
fə-ˈren(t)-sik, 
-ˈren-zik
: belonging to, used in, or suitable to courts of law or to public discussion and debate
forensically
-si-k(ə-)lē, 
-zi-
adverb
Etymology

Adjective

from Latin forensis "of a forum, public," from forum "market, place of public discussion, court"

Medical Definition

: relating to or dealing with the application of scientific knowledge to legal problems especially in regard to criminal evidence
a forensic pathologist
forensic experts
… a forensic technique of DNA analysis allows for the determination of whether a subject with a specific genetic profile has contributed to aggregate genomic data.—Kathy L. Hudson, The New England Journal of Medicine

Legal Definition

forensic

adjective
1
: belonging to, used in, or suitable to the courts or to public discussion and debate
2
: relating to or dealing with the application of scientific knowledge (as of medicine or linguistics) to legal problems
forensic pathology
forensic experts
forensically adverb
Etymology

Adjective

Latin forensis public, forensic, from forum forum

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