# insular vs insulator

> English confusable word pair

## The two words

### insular
*adjective · IPA /ˈɪnsjələ/ · frequency rank #27,885*
Of or being, pertaining to, situated on, or resembling an island or islands.

### insulator
*noun · IPA /ˈɪn.s(j)ə.leɪ.tə(ɹ)/ · frequency rank #39,864*
A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).

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