Meaning

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

Meaning

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

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

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

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

• Expeditious, quick, rapid.