strict

Synonyms: austere dead set disciplinary dour draconian exacting firm forbidding grim hard hard-boiled harsh iron-fisted no-nonsense oppressive picky prudish punctilious puritanical rigid rigorous scrupulous set severe square stern stickling straight strait-laced stringent stuffy tough unpermissive unsparing uptight

Antonyms: amenable easy-going flexible lenient tolerant tractable yielding

Synonyms: close complete exact faithful just meticulous particular perfect precise religious right scrupulous total true undistorted utter veracious veridical

Antonyms: inaccurate indefinite uncertain