cost-effective

Meanings

1. 1
   adj

   Returning a benefit that justifies the initial investment; economical.

   "Secondly, we have to find more cost-effective ways of electrifying. And we've had a real breakthrough in the last couple of years in terms of bridge clearances and immunisation, meaning we've been able to take hundreds of millions of pounds off the cost of electrification.

2. 2
   adj

   productive relative to the cost