Of a person: that disciplines; given to enforcing discipline; = disciplinarian, adj. 3. rare before 20th cent.

Of or relating to discipline; disciplinary.

Of an idea or trait: characteristic of a martinet. Of a person: that is a martinet.

Having the characteristics of a martinet; marked by strict disciplinarianism.

Originally and chiefly Military slang. Of a person: maintaining or observing strict discipline or protocol; punctilious; strict; stern.

strict, severe, disciplinarian; cf. sense 5.