a.

1. 帝國的；（常大寫）大英帝國的
   By then Britain as an imperial power had declined.

   到那時，英國作為一個帝國已經衰落。

2. 皇帝（或女皇）的；最高（權力）的
   an imperial crown

   帝冠

3. 專橫的；威嚴的；宏大的
   Uncle is well known for his imperial generosity.

   叔父的寬宏大量是出了名的。

4. （商品等）特優的；特大的
5. （度量衡）英制的

n.

1. （蓄於下脣下的小綹鬍鬚）皇帝髯[C]

adj.

1. relating to an empire or an emperor.
   ▸characteristic of an emperor; magnificent.
2. relating to or denoting the system of non-metric weights and measures formerly used for all measures in the UK, and still used for some.
3. chiefly historical (of a size of paper) measuring (in the UK) 762 × 559 mm (30 × 22 inches).

n.