a.

1. 方便的；有利的；權宜的
   I thought it expedient to tell her about it.

   我認為將此事告訴她為好。

2. 出於便利的；出於私利的

n.

1. 緊急措施；權宜之計[C]
   Income controls were used only as a short-term expedient.

   採用控制收入的辦法只是作為一時的權宜之計。

adj.

1. convenient and practical although possibly improper or immoral.
2. suitable or appropriate.

n.