Synonyms: effectual, efficacious, decisive, efficient
| Part of speech | adjective |
|---|---|
| Pronunciation | /ɪˈfɛktɪv/ |
| Shavian alphabet | 𐑦𐑓𐑧𐑒𐑑𐑦𐑝 |
| Deseret alphabet | 𐐮𐑁𐐯𐐿𐐻𐐮𐑂 |
| Dutch | afdoend; doeltreffend; effectief; werkzaam |
|---|---|
| Esperanto | efika |
| German | wirksam |
| Italian | efficace |
| Papiamento | adekuá; adekuado |
| Portuguese | eficaz; eficiente |
| Saterland Frisian | drastisk; wierkengsful |
| Spanish | eficaz |
| West Frisian | beskiedend; ôfdwaande |