How to say "dive" in Japanese

• 飛び込みとびこみCommon
  nounThe noun form: a jump, plunge, or dive. Used for the act of leaping into water or elsewhere, as in a diving entry into a pool.
• 飛び込むとびこむJLPT N2approx.Common
  godan verb, intransitive verbThe verb you usually want for deliberately jumping or diving into water, or plunging into a place or activity. Covers both the physical leap and figurative plunging in.
  少年しょうねんは水みずの中なかに飛び込とびこんだ。↗

  The boy jumped into the water.
• 転落てんらくJLPT N1approx.Common
  noun, suru verb, intransitive verbReally a fall, tumble, or plunge downward — an uncontrolled drop, not an intentional dive. This one is seldom the word you want for 'dive'; use it for accidental falls.
• くぐるJLPT N1approx.Common
  godan verb, intransitive verbSpecifically to dive into or under the water. Choose it when the emphasis is on slipping beneath the surface, as when diving under waves. Usually written in kana.

Use 「飛び込む」 for deliberately diving or plunging in, 「飛び込み」 as its noun, 「くぐる」 specifically for diving into or under the water, and 転落 only for falling, not diving.

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

• 飛び込みとびこみjump
• 飛び込むとびこむto jump in
• 転落てんらくfall
• 潜るもぐるto dive (into or under water)
• ダイブdive (e.g. into water)
• くぐるto dive (into or under the water)