# insufficient

> English word · Determiner · IPA /ɪnsəˈfɪʃənt/ · frequency rank #10,067

## Definitions
1. An inadequate quantity of; not enough.
2. A quantity (of something) that is less than is needed.

## Etymology
From Middle French insufficient, from Latin insufficiens. See also in- + sufficient.

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

## Common misspellings (16)
`innsufficient`, `insfuficient`, `inssufficient`, `insuffciient`, `insufficcient`, `insufficeint`, `insufficiennt`, `insufficientt`, `insufficietn`, `insufficinet`, `insuffiicent`, `insuficient`, `insufifcient`, `inusfficient`, `isnufficient`, `nisufficient`

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