Synonyms of the word

unpermissive

• adj. Strict. Repressive.

authoritarian

• adj. Of, or relating to, absolute obedience to an authority.
• adj. Characterised by a tyrannical obedience to an authority; dictatorial.
• adj. Tending to impose one's demands upon others as if one were an authority.
• n. One who commands absolute obedience to his or her authority.
• n. One who follows and is excessively obedient to authority.

dictatorial

• adj. of or pertaining to a dictator.
• adj. in the manner of a dictator, usually with callous disregard for others.