FACULTATIVE definition: conferring a faculty, privilege, permission, or the power of doing or not doing something. See examples of facultative used in a sentence.

1. conferring a faculty, privilege, permission, or the power of doing or not doing something: a facultative enactment. 2. being left to one's option or choice; optional.

Jan 18, 2026 · facultative (comparative more facultative, superlative most facultative) Of or relating to faculty, especially to mental faculty. But does the penny fare end here, said Mr. Nixon, at a merely …

left to one's option or choice; optional The last questions in the examination were facultative

fac•ul•ta•tive (fak′ əl tā′tiv), adj. conferring a faculty, privilege, permission, or the power of doing or not doing something: a facultative enactment. left to one's option or choice; optional: The last questions …

of or relating to the mental faculties adjective granting a privilege or permission or power to do or not do something “a facultative enactment” synonyms: enabling providing legal power or sanction

facultative, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Facultative definition: Granting permission or authority.

In biology, "facultative" is used to describe instances in the animal or plant kingdom where a species is able to choose between two behaviors or traits. For example, facultative bipedalism is the ability of …

facultative definition: optional or not obligatory. Check meanings, examples, usage tips, pronunciation, domains, related words.