noun

1. A method or means for achieving a particular result, especially when direct or efficient; a resource.

adjective

1. Suitable to effect some desired end or the purpose intended.

   “Most people, faced with a decision, will choose the most expedient option.”

2. Affording short-term benefit, often at the expense of the long-term.

3. Governed by self-interest, often short-term self-interest.

Synonyms: advisable, desirable, judicious, politic, prudent, tactical, wise