Denshi Jisho — Online Japanese dictionary

どん dull; slow; stupid; dull-brained
Na-adjective, Noun 
のろ dull; slow; stupid; dull-brained
Na-adjective, Noun 
どんか becoming dull; slowing down
Common word, Noun, Suru verb 
どんき blunt weapon
Common word, Noun 
にぶい 1: dull (e.g. a knife); blunt;
2: thickheaded; obtuse; stupid;
3: dull (sound); dim (light);
4: slow; sluggish; inert; lethargic
Common word, Adjective 
にぶる to become less capable; to grow dull; to become blunt; to weaken
Common word, Godan verb with ru ending, Intransitive verb 
のろい 1: thickheaded; obtuse; stupid;
2: slow; sluggish; inert; lethargic;
3: indulgent (esp. to the opposite sex); doting
Common word, Adjective 
のろま blockhead; dunce; gullible (person)
Common word, Na-adjective, Noun 
おそい 1: slow;
2: late (e.g. "late at night");
3: too late;
4: (Archaism) dull; stupid
Adjective 
どんこ dark sleeper (species of sleeper goby, Odontobutis obscura)
Noun, Usually written using kana alone 
どんす silk damask; satin damask
Noun 
どんま torpor
Noun, Suru verb 
なまる to become less capable; to grow dull; to become blunt; to weaken
Godan verb with ru ending, Intransitive verb 
なまくら 1: (Usually written using kana alone) blunt (e.g. sword); dull;
2: lazy; cowardly; good for nothing
Na-adjective 
どんかん thickheadedness; stolidity; insensitivity
Common word, Na-adjective, Noun 
どんかく obtuse angle
Noun, No-adjective 
どんこう ordinary train; slow train
Noun, No-adjective 
どんこん slow-witted
Na-adjective, Noun 
どんさい stupidity; dull person; dullness
Noun 
どんそく slow-footed
Noun 
どんつう dull pain
Noun 
どんとう dull or blunt sword
Noun 
どんとう obtuse (of the shape of a leaf); rounded
Noun, No-adjective 
どんぶつ blockhead; a fool
Noun 
にびいろ dark gray; dark grey
Noun, No-adjective 
ちん にぶちん dullard (gen. from not picking up on other people's feelings)
Noun, Usually written using kana alone 
チン にぶチン dullard (gen. from not picking up on other people's feelings)
Noun, Usually written using kana alone 
らす にぶらす to blunt; to dull; to weaken
Godan verb with su ending, Transitive verb 
どんじゅう dullness; bovinity; thickheaded; slow-witted
Na-adjective, Noun 
臭い どんくさい slow (opposite of fast); stupid; irritating
Adjective 
い音 にぶいおと thick sound
Noun 
黄色 にぶきいろ dull yellow
Noun 
臭い のろくさい slow (opposite of fast); stupid; irritating
Adjective 
い男 にぶいおとこ dullard; dolt
Noun 
角三角形 どんかくさんかくけい obtuse triangle
Noun 

Found 35 words.

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