潜水(せんすい)

せんすい
noun / verb (suru)
diving; submerging
1. diving; submerging underwater
The act of going beneath the surface of water, whether by a person (diving) or a vessel (submerging). Used for both recreational diving and submarine operations.
潜水(せんすい)して魚(さかな)を観察(かんさつ)した。
I dived underwater and observed the fish.
この時計(とけい)は潜水(せんすい)用(よう)で百(ひゃく)メートルまで防水(ぼうすい)だ。
This watch is designed for diving and is waterproof to 100 meters.
潜水艦(せんすいかん)は静(しず)かに海底(かいてい)に向(む)かって潜水(せんすい)を始(はじ)めた。
The submarine quietly began to submerge toward the ocean floor.

A compound of 潜(せん) (to dive, to lurk) and 水(すい) (water).

COMMON COLLOCATIONS:

  • 潜水艦(せんすいかん) (submarine)
  • 潜水(せんすい)士(し) (professional diver)
  • 潜水(せんすい)服(ふく) (diving suit)
  • スキューバ潜水(せんすい) (scuba diving)
  • 潜水(せんすい)時間(じかん) (dive time / submersion time)

For recreational scuba diving, ダイビング is more commonly used in casual speech. 潜水(せんすい) has a more formal or technical tone and is standard in military and professional contexts.

general
Added 2026.3.4 13:03
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