What does admissibility mean?
Admissibility is the quality of being acceptable or allowable under a set of formal rules. The word belongs chiefly to the language of law, where it refers to whether evidence, testimony, documents, or individuals may properly be brought before a court — a recording obtained illegally, for instance, may be ruled inadmissible and therefore excluded from trial entirely. Beyond the courtroom, admissibility appears wherever formal criteria govern acceptance: university admissions, statistical modeling, immigration procedures, and decision theory all use the term to describe whether something meets the necessary standards. Because it names a threshold rather than a judgment of truth or merit, admissibility carries a distinctly procedural connotation; something can be perfectly true yet inadmissible if it was obtained or presented improperly. Derived from the Latin verb 'admittere', meaning to allow entry, the noun entered English in the seventeenth century alongside its more familiar relative 'admissible'. For writers and readers of legal and official texts, it is an indispensable precision tool.
nounThe quality or state of being acceptable or valid, especially the degree to which evidence, testimony, or a person is allowed to be considered in a legal proceeding.
- The quality of being acceptable or allowable under formal rules, especially rules governing what evidence may be presented in a legal proceeding.
- More generally, the quality of meeting the required criteria for acceptance in any formal system or process.
"The judge questioned the admissibility of the recording before allowing it into evidence."
"Defense attorneys moved to suppress the wiretap on grounds of its questionable admissibility."
"The committee reviewed the admissibility of each application against the published criteria."
Rarely pluralized; the singular is standard even when referring to multiple items, since admissibility is treated as an abstract quality.
"The ruling addressed the admissibility of several pieces of evidence."
In courtrooms, admissibility is the gatekeeper: without it, even the most damning evidence never gets seen by the jury.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of admissibility
Admissibility derives from the Latin verb 'admittere' (to admit, allow entry), formed from 'ad-' (toward) plus 'mittere' (to send). English took the related verb 'admit' from Latin via Old French, and the noun 'admissibility' was formed in English during the seventeenth century from the adjective 'admissible', itself borrowed from French. It shares this root with words such as 'mission', 'missive', and 'transmission', all descendants of Latin 'mittere'.
Related word forms
How admissibility is actually used
Admissibility is a formal, largely legal and administrative term; it rarely appears in casual conversation. It is most at home in courtroom discourse, regulatory writing, and academic contexts. The adjective form 'admissible' is considerably more common in everyday use than the noun.
Easily confused with admissibility
Permission is an act of granting leave to do something, whereas admissibility is the quality of being allowable or acceptable, especially as a formal criterion in law.