外国人|がいこくじんgaikokujin
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- nounforeigner; foreign citizen; foreign national; alien; non-Japanese
- Synonym外人がいじんCasualColloquial word for a foreigner, often a Westerner; it can sound exclusionary and offensive, so prefer 「外国人」 in formal contexts.
- Synonym異邦人いほうじんWrittenWritten, literary word for someone from another country or culture, with a sense of estrangement or drifting; not everyday speech.
- Synonym他国人たこくじんWrittenMeans a person from another country, stressing the contrast with one's own; rarely used — say 「外国人」 in daily life.
- Synonym異国人いこくじんWrittenWritten word for a person from a foreign land, with an exotic flavor; found mostly in literary or historical writing.
- RelatedエイリアンNeutralLoanword that mainly means an alien in sci-fi; as 'foreigner' it is rare — use 「外国人」 instead.
- Related他国者たこくものCasualArchaic term for an outsider from elsewhere; it stresses not being a local rather than nationality, and is rarely used today.
- Related異人いじんWrittenOld term, especially for Westerners in the late Edo and Meiji eras, as in 「異人館」; today only in historical or nostalgic contexts.
- Relatedよそ者よそものCasualSomeone from outside the area or group, regardless of nationality; carries an exclusionary tone, as in 「よそ者扱い」.
- RelatedエトランゼWrittenFrom French; means an outsider or person from a strange land with an artistic, romantic flavor. Rare in daily use; say 「外国人」.
- RelatedストレンジャーNeutralLoanword for a stranger you don't know; it says nothing about nationality and is rare in everyday speech.
- Related毛唐けとうCasualDerogatory term for foreigners, especially Westerners, with strong discriminatory force; avoid it in modern usage.
- Related唐人とうじんWrittenOld term originally for Chinese people, later for foreigners generally; now only in historical or classical contexts.
- Related外来者がいらいしゃNeutralA person who comes to a place or group from outside, with no implication of nationality, as in 「外来者を警戒する」.
- Related毛唐人けとうじんCasualLike 「毛唐」, a slur for Westerners and other foreigners; discriminatory and should not be used today.
- Antonym日本人にほんじんNeutralAntonym of 「外国人」: a person with Japanese nationality or belonging to the Japanese people.
For a foreigner, the neutral default is 「外国人」. 「外人」 is colloquial and can come across as rude. For outsiders regardless of nationality, use 「よそ者」 or 「外来者」. 「異人」 and 「唐人」 are old terms, and 「毛唐」 is a slur to avoid.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


