How to say "massive" in Japanese

• 大量たいりょうCommon
  na-adjective, no-adjectiveCovers 'massive' in the quantitative sense: a large quantity of something, and 'mass' in mass-scale senses such as mass production. Choose it for massive amounts, not for the size of a single object.
  日本にっぽんは紙かみを大量たいりょうに消費しょうひする。↗

  Japan consumes a lot of paper.
• 分厚いぶあついCommon
  i-adjectiveMatches 'massive' in the physical sense: something thick, bulky and heavy, like a massive reference book or a heavy winter coat. The emphasis is on thickness and heft you can see and feel.
  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.
• 重厚じゅうこうCommon
  na-adjective, nounIts overlap with 'massive' is the 'solid' sense: a weighty, grave, profound quality. Use it for things whose massiveness lies in solidity and gravity rather than in sheer size.
• マンモスCommon
  noun (prefix)Covers 'massive' in the sense of gigantic, huge, enormous — sheer size that impresses. It is the Japanese word for the animal 'mammoth', and it suits things of vast scale, such as a mammoth project.
  わたしたちの会社かいしゃはマンモス会社かいしゃで、繁雑はんざつな面めんを少すくなくし能率のうりつを上あげるために、改正かいせいあるいは撤廃てっぱいすべき規則きそくとか規約きやくがいくつかある。↗

  Our firm is a giant one, and there are some rules and regulations, which should be revised or rescinded to reduce red tape and increase efficiency.

Choose 大量 for massive quantities and mass-scale senses, 「分厚い」 for objects that are thick and bulky, 重厚 for a solid, weighty, grave quality, and 「マンモス」 for things of sheer enormous size.

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

• 大量たいりょうlarge quantity
• 分厚いぶあついthick
• 重厚じゅうこうprofound
• どっしりbulky and heavy
• マッシブmassive
• 塊状かいじょうmassive
• 分厚ぶあつthick
• マンモスgigantic