自宅|じたくjitaku[0]heiban (flat)

1. nounone's home; one's house
   ご自宅じたくの電話番号でんわばんごうは何なん番ばんですか。↗

   What's your home phone number?

• Synonym宅たくNeutralRefers to a home; also a humble way to say one's own home, or one's husband to outsiders. 「自宅」 is more formal, stressing it is one's own residence.
• Synonym住居じゅうきょWrittenWritten style for a place to live or the act of living, as in 「住居を構える」; 「自宅」 stresses that it is your own home.
• Synonym家屋かおくWrittenWritten style for a building for people to live in; 「自宅」 focuses on the home being your own.
• Synonym家宅かたくWrittenWritten, legal term for a dwelling or premises; 「自宅」 is more everyday.
• Synonym住宅じゅうたくNeutralHousing or a residential building, as in 「住宅ローン」; 「自宅」 stresses that it is your own home.
• Synonym住まいすまいNeutralA place to live or one's life there, as in 「お住まい」; 「自宅」 is more formal.
• Synonym居宅きょたくWrittenWritten style for a residence or dwelling; 「自宅」 stresses that it is your own home.
• Related屋敷やしきNeutralA mansion or the plot of land a house stands on, which may include gardens and fields; 「自宅」 means only the home you yourself live in.
• Related邸宅ていたくNeutralA large, luxurious mansion; 「自宅」 says nothing about size, only that it is the home you live in.
• Relatedお宅おたくNeutralHonorific for the other person's home; 「自宅」 is for your own home.
• Related住所じゅうしょNeutralAn address or place of residence, as in 「住所変更」; 「自宅」 is the house itself that you live in.
• Related実家じっかNeutralYour parents' home, the family home you come from; 「自宅」 is your current home.
• Related邸ていNeutralThe same word as the entry above, also written 「邸」: a mansion or homestead; 「自宅」 refers only to the home you yourself live in.
• Related住家じゅうかWrittenWritten style for a house to live in; 「自宅」 stresses that it is your own home.
• Related住処すみかNeutralA place where one lives, also an animal's den or nest; 「自宅」 is more formal.
• Related家作かさくWrittenWritten style for a house built to rent out; 「自宅」 is the home you live in yourself.
• Antonym他宅NeutralOpposite to 「自宅」 in the self vs. other contrast: someone else's home.
• Antonym他人宅NeutralAlso opposite to 「自宅」 in the self vs. other contrast: another person's residence.

Use 「自宅」 for your own home in formal contexts, as in 「自宅待機」 and 「自宅療養」; in casual speech just say 「家」. Use 「実家」 for your parents' home, 「お宅」 for the other person's home, and 「住宅」 for housing as buildings. The antonym is 「他人宅」.

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

1. 自分じぶんの（個人的こじんてきな）家いえ。