# isolationist

/ˌaɪsəˈɫeɪʃənəst/ (US) · /ˌaɪsəlˈeɪʃənˌɪst/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/isolationist
Updated: 2026-10-16

## Definition

a person who believes their country should stay out of other countries' fights and deals and focus on its own problems.

For teachers: a person who advocates national withdrawal from international alliances, trade pacts, or military involvement in favour of domestic focus.

## Examples

- He is an isolationist who avoids all foreign news.
- The senator is an isolationist who argues the country should close overseas bases and spend the money at home.
- While critics call him an isolationist, his supporters argue that stepping back from foreign commitments lets the nation rebuild before re-engaging.

## Antonyms

interventionist, internationalist

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.