In a political context - In favor of large, intrusive government that violates or suppresses individual rights; characterized by a "law and order" approach; failing to support civil liberties and/or economic freedom in society; undemocratic
In a non-political context - Bossy, controlling, domineering
People with authoritarian views, agendas, or personalities rarely describe themselves as authoritarian, but can often be spotted when they try to rationalize some government control as being necessary "for national security", "for public safety", "for the children", or "for your own good".
The longer Senator Bullwrap stayed in office, the more authoritarian he became.
irritating, frustrating, user-unfriendly, aggravating, and soulless-corporate-bureaucratic.
"It's annoying when, after Urban Dictionary publishes your definition, you look at the listing and notice that they listed a bunch of entrees ahead of yours that have more negative votes then positive votes, but they send the notification email from a no-reply email address, and when you write back to ask about this, you get an auto-reply message telling you that the address is not read by a human being."