A person or group with extremely conservative views.

An authoritative proclamation; an edict, especially decreed by a Russian czar or (later) emperor. / (figuratively) Any absolutist order or arrogant proclamation

(law) beyond the legal power or authority of a person or body

(electronics) Initialism of Ultra High Frequency.

(finance) Initialism of ultra-high-frequency.

(healthcare) Initialism of United Health Foundation.

The development of an ulcer. / An ulcerous condition.

Of or relating to an ulcer / Having an ulcer

The condition of being ugly. / An unsightly or frightful object. / Unpleasant behaviour.

Extreme; far beyond the norm; fanatical; uncompromising.