君主英文：monarch; sovereign; king; liege; duke.
英漢大詞典：
an absolute monarch 專制君主。?
an uncrowned monarch 無冕君主。?
discard the monarchy 廢棄君主政體。?
deposed monarch 被廢黜的君主。?
abdicated monarch 退位君主。?
The monarch was ousted by a military coup. 那君主被軍事政變者廢黜了。
Morocco is a sovereign independent monartery. 摩洛哥是個有主權的獨立君主國。?
雙語例句：
1、He had the ear of the monarch.
他在君主那裏說得上話。?
2、Those right-wing people who most honour their monarch see no reason for any apology.
那些對君主最為尊崇的右翼人士認為沒有理由作出道歉。?
3、The power of the monarchy was circumscribed by the new law.
君主統治的權力受到了新法律的制約。