Japanese symbol for “undersea”
海底
かいてい
Romaji: kaitei
bottom of the ocean; seafloor; seabed
In Japanese, undersea is 海底, read かいてい (kaitei).
Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.
Meanings
- n bottom of the ocean; seafloor; seabed
- adj-f undersea; submarine
Written forms: 海底. Readings: かいてい、うなぞこ.
Kanji and stroke order
Other Japanese words for “undersea”
| Word | Reading | Meaning |
|---|---|---|
| 海面下 | かいめんか kaimenka | below sea level; undersea; beneath the waves |
Related words
Words that share a kanji.
| Word | Reading | Meaning |
|---|---|---|
| 海外 | かいがい kaigai | foreign; abroad; overseas |
| 海岸 | かいがん kaigan | seashore; coast; seaside |
| 海軍 | かいぐん kaigun | navy; naval force |
| 北海道 | ほっかいどう hokkaidou | Hokkaido (island, prefectural-level administrative unit) |
| 海上 | かいじょう kaijou | (on the) sea; surface of the sea |
| 海洋 | かいよう kaiyou | ocean; sea |
| 徹底 | てってい tettei | thoroughness; completeness; consistency |
| 到底 | とうてい toutei | (cannot) possibly; (not) by any means; (not) at all |
Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.