How effective is...?

How effective is...?

1. to have / produce (an) effect

   • a considerable / significant / powerful effect
   • little / much effect
   • no effect whatsoever
   • to have their effect

2. to be / prove (in)effective

   • Syn.: fruitful / fruitless
   • highly / particularly effective
   • equally effective
   • largely / relatively ineffective
   • nowhere near as effective as

3. Idioms for ineffective

   • a mug' s game
     • Ex. Forecasting a wannabe PM's likely legacy is a mug's game.
   • a fool's errand
     • Ex. Trying to attract attention in this way is a fool's errand
   • go adrift
     • Ex. Something seems to have gone adrift in our calculations.

4. Idioms for effective

   • to work wonders
     • Ex. A good night’s sleep can work wonders for mind and body
   • to work like a charm
     • Ex, The new sales approach worked like a charm
   • to work a treat
     • Ex. The new tactic worked a treat
   • to do the trick
     • Sometimes it can do the trick
   • I'd give it a go / It's worth a go
   • I'd go for that