# inefficient

> English word · Adjective · IPA /ˌɪn.ɪˈfɪʃ.ənt/ · frequency rank #15,838

## Definitions
1. Not efficient; not producing the effect intended or desired; inefficacious.
2. Incapable of, or indisposed to, effective action; habitually slack or unproductive; effecting little or nothing.

## Etymology
From in- + efficient.

## Easily confused with
- **insufficient** (https://plainspell.com/en/vs/inefficient-vs-insufficient)
- **inefficiency** (https://plainspell.com/en/vs/inefficiency-vs-inefficient)

## Common misspellings (14)
`ienfficient`, `ineffciient`, `inefficcient`, `inefficeint`, `inefficiennt`, `inefficientt`, `inefficietn`, `inefficinet`, `ineffiicent`, `ineficient`, `inefifcient`, `infeficient`, `innefficient`, `niefficient`

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