What does permissibility mean?
Permissibility is the noun form of “permissible” and means the condition of being allowed or permitted. It is especially common in legal, regulatory, administrative, and academic contexts, where a question may concern whether a particular action, project, treatment, or practice is authorized. The word has a formal tone and focuses on permission as a property or principle rather than on the granting of permission itself. For example, an assessment of “the permissibility of the proposed use” asks whether that use falls within what the relevant rules allow. In more direct contexts, “whether it is allowed” or “legal permission” may be preferable. The term can also convey that an option is not necessarily morally desirable, merely permitted under applicable rules, which makes it useful for distinguishing legal or procedural authorization from approval or endorsement.
nounThe quality or state of being permissible; the condition of being allowed or permitted. It is often used in legal, formal, or administrative contexts to describe whether an action is authorized.
- The quality or state of being allowed, permitted, or regarded as acceptable.
"The committee considered the permissibility of using the site for commercial events."
"The court examined the permissibility of the proposed development."
"A detailed report addresses the permissibility of several new data-processing practices."
Rare; the plural is formed by adding -ies to the noun ending in -y.
"The study compares the permissibilities of different forms of research under local regulations."
A rule can be clear, fair, and still forbid what someone wants—hence the distinct question of permissibility.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does permissibility come from?
The word is formed from “permissible” plus the suffix “-ity,” which creates a noun denoting a quality or state. “Permissible” comes through Latin from “permittere,” meaning “to allow” or “to permit.” Related English words include “permit,” “permission,” and “permissive,” all reflecting the same root of allowing or granting permission.
Related word forms
How permissibility is actually used
This is a formal and relatively uncommon noun, especially common in legal, regulatory, and academic writing. In everyday speech, “whether it is allowed” or “permission” is usually more natural.