うち・家uchi[2]odaka (tail-high)

1. nounone's house; one's home; one's family; one's household
   家うちへついたら電話でんわが鳴なっていた。↗

   The telephone was ringing when I got home.

   うちには十じゅう頭とうの牛うしがいる。↗

   We have ten cattle.
2. nounhouse

• Synonym住まいすまいNeutralA slightly refined word for where one lives, and for daily living itself. 「家（うち）」 is colloquial and also means one's own family.
• Synonym宅たくWrittenWritten-style word for a residence; can also serve as a humble way to refer to one's own home. 「家（うち）」 is more colloquial and also covers the family.
• Synonym住居じゅうきょNeutralFocuses on dwelling itself — the place one lives or the state of living there. 「家（うち）」 centers on one's own home and family.
• Synonym自宅じたくNeutralOne's own house, with a formal flavor, as in 「自宅待機」. 「家（うち）」 is colloquial and also means one's family.
• Synonym住宅じゅうたくNeutralA dwelling as a building, common in real estate and statistics. 「家（うち）」 centers on one's own home and family.
• SynonymホームNeutralLoanword that mostly forms compounds like 「マイホーム」; also means home ground or home plate. 「家（うち）」 is more everyday.
• Synonym居宅きょたくWrittenWritten and legal term for the house one actually lives in. 「家（うち）」 is the everyday, colloquial word.
• Synonym住屋じゅうおくWrittenRare written word for a dwelling house. In daily speech say 「家」; 「家（うち）」 also means the family.
• Synonym住家じゅうかWrittenWritten term for a house people live in, often contrasted with shops. 「家（うち）」 is more colloquial and also takes in the family.
• Related家屋かおくWrittenWritten word for the house as a building, common in legal and statistical contexts. 「家（うち）」 centers on one's own household.
• Relatedお宅おたくFormalRespectful term for the other person's home or family. 「家（うち）」 speaks of one's own home.
• Related屋敷やしきNeutralThe grounds with the house on them, often a large residence. 「家（うち）」 is just an ordinary home.
• Related邸宅ていたくWrittenWritten word for a spacious, impressive mansion. 「家（うち）」 is an ordinary home and also means the family.
• Related居館きょかんWrittenWritten term for a residence or mansion, seen mostly in historical contexts. 「家（うち）」 is the everyday word.
• Related邸ていNeutralLand together with the house on it; broadly, a stately mansion, as in 「お化け屋敷」. 「家（うち）」 is an ordinary home.
• AntonymよそNeutralSomewhere else, other people — the outside in the inside–outside contrast with 「家（うち）」, as in 「よその人」.

For your own home or family in everyday speech, use 「家（うち）」, as in 「うちに帰る」. Use 「自宅」 for one's own house in formal contexts, 「お宅」 for the other person's home, and 「住宅」 or 「家屋」 for the building itself; the rest are written or special-purpose terms.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （いえ　うち）人ひとが生活せいかつに用もちいる建物たてもの。住居じゅうきょ。家屋かおく。
2. （いえ　うち）家庭かてい。家族かぞく。