# effectiveness

> English word · Noun · IPA /ɪˈfɛk.tɪv.nɪs/ · frequency rank #6,567

## Definitions
1. The property of being effective, of achieving results.
2. The capacity or potential for achieving results.
3. The degree to which something achieves results.

## Etymology
From effective + -ness.

## Common misspellings (16)
`efectiveness`, `efefctiveness`, `effcetiveness`, `effecctiveness`, `effecitveness`, `effectievness`, `effectiveenss`, `effectivenes`, `effectivenness`, `effectivenses`, `effectivneess`, `effectivveness`, `effecttiveness`, `effectvieness`, `effetciveness`, `fefectiveness`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/effectiveness
