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Word of the Day Wednesday, June 10, 2026

allochthonous

/ˌæləkˈθɒnəs/ adjective · British & US
Valid in UK
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What does allochthonous mean?

adjective

Originating or introduced from outside a particular region or area; not native to it.

Example

"The allochthonous species of plants in the garden were thriving in the local climate."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for allochthonous

Antonyms of allochthonous

Rhymes with allochthonous