a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill
marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist"
narrowly restricted in outlook or scope; "little sympathy with parochial mentality"; "insular attitudes toward foreigners"
suggestive of the isolated life of an island; "an exceedingly insular man; so deeply private as to seem inaccessible to the scrutiny of a novelist"- Leonard Michaels
relating to or characteristic of or situated on an island; "insular territories"; "Hawaii's insular culture"
a person who behaves in an tyrannical manner; "my boss is a dictator who makes everyone work overtime"
characteristic of an absolute ruler or absolute rule; having absolute sovereignty; "an authoritarian regime"; "autocratic government"; "despotic rulers"; "a dictatorial rule that lasted for the duration of the war"; "a tyrannical government"
expecting unquestioning obedience; "he was imperious and dictatorial"; "the timid child of authoritarian parents"; "insufferably overbearing behavior toward the waiter"