# secure

> English word · Adjective · IPA /sɪˈkjʊə(ɹ)/ · frequency rank #2,315

## Definitions
1. Free from attack or danger; protected.
2. Free from the danger of theft; safe.
3. Free from the risk of eavesdropping, interception or discovery; secret.
4. Free from anxiety or doubt; unafraid.
5. Firm and not likely to fail; stable.
6. Free from the risk of financial loss; reliable.
7. Confident in opinion; not entertaining, or not having reason to entertain, doubt; certain; sure; commonly used with of.
8. Overconfident; incautious; careless.
9. Certain to be achieved or gained; assured.

## Etymology
Borrowed from Latin sēcūrus (“of persons, free from care, quiet, easy; in a bad sense, careless, reckless; of things, tranquil, also free from danger, safe, secure”), from sē- (“without”) + cūra (“care”); see cure. Doublet of sure and the now obsolete or dialectal sicker (“certain, safe”).

## Easily confused with
- **sure** (https://plainspell.com/en/vs/secure-vs-sure)
- **segue** (https://plainspell.com/en/vs/secure-vs-segue)
- **severe** (https://plainspell.com/en/vs/secure-vs-severe)
- **seduce** (https://plainspell.com/en/vs/secure-vs-seduce)
- **suture** (https://plainspell.com/en/vs/secure-vs-suture)
- **secured** (https://plainspell.com/en/vs/secure-vs-secured)
- **seizure** (https://plainspell.com/en/vs/secure-vs-seizure)
- **spectre** (https://plainspell.com/en/vs/secure-vs-spectre)
- **securely** (https://plainspell.com/en/vs/secure-vs-securely)
- **score** (https://plainspell.com/en/vs/score-vs-secure)
- **scare** (https://plainspell.com/en/vs/scare-vs-secure)
- **secret** (https://plainspell.com/en/vs/secret-vs-secure)
- **secede** (https://plainspell.com/en/vs/secede-vs-secure)

## Common misspellings (8)
`escure`, `sceure`, `seccure`, `secrue`, `secuer`, `securre`, `seucre`, `ssecure`

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