# sightproof

> English word · Adjective · IPA /ˈsaɪtpɹuːf/

## Definitions
1. invisible; not able to be seen

## Etymology
From sight + -proof.

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