King's Kung-Fu& Tai Chi

Japanese symbol for “lethargic”

Romaji: nibui
dull (e.g. a knife); blunt

In Japanese, lethargic is , read (nibui).

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

  1. adj-i dull (e.g. a knife); blunt
  2. adj-i thickheaded; obtuse; stupid
  3. adj-i dull (sound, color, etc.); dim (light)
  4. adj-i slow; sluggish; inert; lethargic
  5. adj-i insensitive; dull (e.g. reflexes); unperceptive; unfeeling

Kanji and stroke order

dull, slow, foolish
on: ドン
kun: にぶ.い、にぶ.る、にぶ-、なま.る
12 strokes · JLPT 2

Other Japanese words for “lethargic”

WordReadingMeaning
しみんせい shiminseilethargic; soporose
ふかっぱつ fukappatsudull; slow; sluggish

Related words

Words that share a kanji.

WordReadingMeaning
どんかん donkanthickheaded; insensitive; dull
どんき donkiblunt weapon
どんか donkabecoming dull; slowing down
にぶる niburuto become blunt; to grow dull

See also: Chinese symbol for “lethargic”.

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.

Last posts

  1. Are Engraved Bokken Good Gifts and Can You Train With Them
  2. Best Wooden Naginata for Practice and How to Choose Yours
  3. Choosing a Keikogi for Hakama Compatibility and Performance
  4. What Size Hakama Should I Order for Proper Fit
  5. Best Aikido Hakama for Beginners Choosing Your First Pair
  6. Kendo Bogu Costs and Timing Your First Purchase
  7. Best Kendo Starter Sets for Beginners and How to Choose
  8. Best Sword Oil and Cloth Kits for Wooden Training Weapons
  9. Is Hickory a Good Wood for a Practice Sword
  10. Best Bokken for Tall Practitioners Choosing the Right Fit