effectiveness

B2 Topic:Abstract Ideas

US /ɪˈfɛk.tɪv.nɪs/ See IPA manual

Freq #27697

Meanings

1

noun
The quality of working well and producing good results.

The effectiveness of the drug was well established.
2

noun
How well something achieves its intended results.

He questioned the effectiveness of the treatment.

Thesaurus

Synonyms

1 noun · the quality of working well... effectuality

Word family

Forms effectivenesses

Derived forms bioeffectivenesscost-effectiveness

Related forms effect effective effectivity effector effectual effectuate efficacious efficacity efficacy efficiency efficient

Etymology

From effective + -ness.

Topics

Abstract Ideas

External links

markdown