Antonyms of adj autochthonous

2 senses of autochthonous

Sense 1
autochthonous (vs. allochthonous) -- (of rocks, deposits, etc.; found where they and their constituents were formed)

allochthonous (vs. autochthonous) -- (of rocks, deposits, etc.; found in a place other than where they and their constituents were formed)

Sense 2
autochthonal, autochthonic, autochthonous, endemic, indigenous -- (originating where it is found; "the autochthonal fauna of Australia includes the kangaroo"; "autochthonous rocks and people and folktales"; "endemic folkways"; "the Ainu are indigenous to the northernmost islands of Japan")

INDIRECT (VIA native) -> foreign, strange -- (relating to or originating in or characteristic of another place or part of the world; "foreign nations"; "a foreign accent"; "on business in a foreign city")

Similarity of adj autochthonous

2 senses of autochthonous

Sense 1
autochthonous (vs. allochthonous) -- (of rocks, deposits, etc.; found where they and their constituents were formed)

Sense 2
autochthonal, autochthonic, autochthonous, endemic, indigenous -- (originating where it is found; "the autochthonal fauna of Australia includes the kangaroo"; "autochthonous rocks and people and folktales"; "endemic folkways"; "the Ainu are indigenous to the northernmost islands of Japan")
       => native (vs. foreign) -- (characteristic of or existing by virtue of geographic origin; "the native North American sugar maple"; "many native artists studied abroad")

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