(epidemiology) The initial patient in the population of an epidemiological investigation.

plural of patientive

(idiomatic) It is difficult to advise people on subjects that they are experts on.

(obsolete) Patience. / Passivity (as opposed to agency).

plural of in-patient

A noun denoting the subject of the verb or verbal root that it is derived from.

superlative form of patient: most patient

Quality of being patient.

Any of several dock plants of the genus Rumex, especially Rumex patientia.

Rumex patientia, a herbaceous perennial plant.