邸宅 (teitaku) means “mansion” | MotiTan Japanese Dictionary

More examples

彼は郊外に邸宅を建てました。kare wa kō gai ni tei taku o ta te ma shi ta

He built a mansion in the suburbs.

Presents 邸宅 (teitaku) as a distinguished residence that is notably larger and more impressive than an ordinary home.

豪邸gōtei: A luxurious and grand private residence.
屋敷yashiki: A large residence, often with extensive grounds or a traditional character.

広い敷地に建てられた、規模の大きい立派な住宅。hiro i shiki chi ni ta te ra re ta ki bo no ō ki i rip pa na jū taku

邸宅 (teitaku) is a Sino-Japanese compound of 邸 (tei, "residence") and 宅 (taku, "house"). Their combination denotes an impressive private residence.

邸宅 (teitaku) appears more often in formal writing and descriptions than in casual conversation, making its register useful for advanced Japanese study.