adjective Law.
- not subject to prescription.
adjective
- law immune or exempt from prescription
“inalienable, not subject to prescription,” 1560s, French imprescriptible (16c.) or a native formation from assimilated form of in- (1) “not, opposite of” + Latin praescriptus, past participle of praescribere “to write beforehand” (see prescribe). Usually with right. Alternative imprescribable is attested from 1887.