Similar words
eficaz
efectivo and eficaz are close synonyms for "effective," largely interchangeable.
Similar in other languages
German
wirksam
wirksam is the German word for the same thing — both mean "effective."
Portuguese
eficaz
eficaz is the Portuguese word for the same thing — both mean "effective."
Practice
1 What does efectivo mean?
effective
2 Fill the gap: Es un remedio ___.
Full sentence: Es un remedio efectivo. (It's an effective remedy.)
3 Which fingerprint chart matches efectivo?
efectivo: neutral register, common frequency, general domain, neutral connotation.