# insufficiency

> English word · Noun · IPA /ɪnsəˈfɪʃənsi/ · frequency rank #42,207

## Definitions
1. The lack of sufficiency: a shortage, the state of having or being not enough (of something).

## Etymology
From in- + sufficiency.

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

## Common misspellings (18)
`innsufficiency`, `insfuficiency`, `inssufficiency`, `insuffciiency`, `insufficciency`, `insufficeincy`, `insufficiecny`, `insufficienccy`, `insufficiencyy`, `insufficienncy`, `insufficienyc`, `insufficinecy`, `insuffiicency`, `insuficiency`, `insufifciency`, `inusfficiency`, `isnufficiency`, `nisufficiency`

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