I am looking for a single word for something that works well or something that doesn’t work well as interventions.

I don’t not want to use efficient or proper because these describe the person or the process, not the intervention.

closed as unclear what you're asking by tchrist, Mari-Lou A, Chenmunka, Julie Carter, TimLymington Aug 21 '15 at 11:09

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  • Are you looking for solution ? – Graffito Aug 16 '15 at 8:23
  • Effective/ineffective. – Hot Licks Aug 16 '15 at 11:33


in working order or operating
3. capable of functioning; working (CD)


not working properly or normally (LDCE)


effective - Successful in producing a desired or intended result


In addition to the good answers already given, here's another idea:

successful - marked by a favorable outcome (http://www.thefreedictionary.com/successful)


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