肉体|にくたいnikutai[0]heiban (flat)

1. nounthe body; the flesh; the outer man; one's physique
   肉体にくたいは滅ほろんでいく。↗

   The flesh is mortal.

• Synonym体からだNeutralThe everyday word for the body, as in 「体を鍛える」 or 「体に悪い」; far more common in speech than 「肉体」, which leans written and stresses the flesh versus the mind.
• Synonym身体しんたいNeutralThe same word as 「体」, also written 「身体」; common in written Japanese as well. 「肉体」 points more narrowly to the flesh as opposed to the spirit.
• Synonym五体ごたいNeutralRefers to the whole body and lives mainly in set phrases such as 「五体満足」.
• Synonym骨身ほねみNeutralMeans flesh and bones and appears chiefly in set phrases like 「骨身にしみる」 and 「骨身を惜しまず」.
• RelatedボディーNeutralA loanword for the body, and also for a car's body; seen in 「ボディーガード」 and 「ボディーブロー」.
• Related身みNeutralCovers the body or oneself, as in 「身を守る」 and 「身の回り」; mostly appears in set phrases rather than as a plain word for the body.
• Related体躯たいくWrittenA written-style word for the physique or build, as in 「堂々たる体躯」; used mainly when describing a person's outward appearance.
• Related御身おんみFormalA deferential term for another person's body or health, as in 「御身お大切に」; found mostly in letters and other formal writing.
• Antonym精神せいしんNeutralThe mind or spirit, the usual counterpart opposed to 「肉体」.
• Antonym霊魂れいこんNeutralThe soul or spirit, set against 「肉体」.

For the body in everyday talk, use 「体」. Choose 「肉体」 for the flesh as opposed to the mind, as in 「肉体労働」 or 「肉体的疲労」. 「体躯」 describes physique in written prose, 「身」 and 「五体」 turn up in idioms, 「ボディー」 is a loanword for the body or a car's body, and 「御身」 is a formal honorific for someone's body. The opposites are 「精神」 and 「霊魂」.

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

1. 生身なまみの人ひとの体からだ。
2. 性的せいてき欲求よっきゅうの対象たいしょうとしての体からだ。