How to say "bulky" in Japanese

• 分厚いぶあついCommon
  i-adjectiveCovers 'bulky' in the sense of thick and heavy, describing solid objects such as a slab, a coat, or a book. It emphasizes physical thickness and mass rather than large overall size.
  町民ちょうみんは分厚ぶあついステーキを食たべるのが好すきだ。↗

  The townspeople like to eat thick steaks.
• 粗大そだいCommon
  na-adjective, nounCovers 'bulky' as large and unwieldy, with overtones of coarse or rough; it typically describes big items such as discarded furniture or appliances rather than thick, heavy textures.

Use 「分厚い」 for things thick and heavy like a slab or book, and 粗大 for large, coarse, unwieldy items; for merely oversized furniture, 粗大 is the closer of the two.

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

• 分厚いぶあついthick
• 粗大そだいcoarse
• バルキーbulky
• ぼてぼてbulky (e.g. clothing)
• 浩瀚こうかんbulky
• かさ高かさだかbulky
• かさ高いかさだかいbulky
• 分厚ぶあつthick
• ボリューミーvoluminous (hair, clothing, etc.)