Alien

"Alien" in French

extraterrestre

(pertaining to extraterrestrial life)

étranger

(not belonging to the same country)

alien

(life form of non-Earth origin)

extraterrestre

(life form of non-Earth origin)

étranger

(person, etc. from outside)

étranger

(foreigner)

étrangère

(person, etc. from outside)

étrangère

(foreigner)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.