principal 

  1. 名詞
校長
首長, 社長
(法律責任上的)當事人
主犯
委託人
主要演員
主角
首席演奏者
獨唱者
/以上複數為"principals"/

    同義字詞
headliner,lead,star

  2. 形容詞
主要的, 首要的
最重要的
本金的, 資本的
/此形容詞必接名詞/

    同義字詞
arch,big,capital,cardinal,central,chief,dominant,first,foremost,grand,great,greatest,highest,key,leading,main,master,overbearing,overriding,paramount,predominant,preeminent,premier,primal,primary,prior,sovereign,sovran,supreme
chief,commanding,first,foremost,head,high,lead,leading,preeminent,premier,presiding,primary,prime,supreme,top

例句

  1. But then , his principal is 28.
  2. Melbourne's principal streets are paved.
  3. The plan had three principal advantages.
  4. They would remove a principal for NO less.
  5. There are four principal types of fish scales.