Denshi Jisho — Online Japanese dictionary

どう whoa (command used to stop a horse, etc.)
Interjection 
どう 1: (Kansai dialect) precisely; exactly; plumb; totally; very;
2: derogatory prefix used before nouns & adjectives
Out-dated or obsolete kana, Prefix 
動 どう motion; change; confusion
Common word, Noun 
同 どう the same; the said; ibid.
Common word, Prefix 
堂 どう 1: temple; shrine; hall;
2: prefix to building meaning "magnificent"
Common word, Noun, Noun suffix, Noun prefix 
胴 どう 1: trunk; torso; body; abdomen; waist;
2: plastron (in kendo); touching the plastron (kimari-te in kendo);
3: frame (of a drum, etc.); sound box (of a shamisen, etc.); hull (of a ship)
Common word, Noun 
銅 どう copper
Common word, Noun 
幢 どう 1: (Buddhist term) long-handled Chinese spear bearing a small flag;
2: banner; hanging
Noun 
道 どう 1: (Abbreviation) road;
2: way;
3: Buddhist teachings;
4: Taoism;
5: modern administrative region of Japan (Hokkaido);
6: historical administrative region of Japan (Tokaido, Tosando, etc.);
7: province (Tang-era administrative region of China);
8: province (modern administrative region of Korea)
Noun 
如何 どう how; in what way; how about
Common word, Adverb, Usually written using kana alone 
どうせ anyhow; in any case; at any rate; after all; at best; at most; at all
Common word, Adverb 
どうぞ 1: please; kindly;
2: by all means
Common word, Adverb 
どうも 1:
2: (Abbreviation) thanks; (Adverb) much (thanks); very (sorry); quite (regret);
3: quite; really;
4: somehow;
5: in spite of oneself; no matter how hard one may try (one is unable to) (with negative verb); no matter how hard one may try not to (one ends up doing) (with positive verb, esp. -shimau);
6: (Interjection) greetings; hello; goodbye
Common word, Interjection 
どうか please; somehow or other
Adverb, Noun 
どうと crash; smash; bang; sound of a large, heavy object falling
Adverb, Onomatopoeic or mimetic word 
どうど crash; smash; bang; sound of a large, heavy object falling
Out-dated or obsolete kana, Adverb, Onomatopoeic or mimetic word 
同じ おなじ 1: same; identical; equal; uniform; equivalent; similar; common (origin); changeless; alike;
2: (Adverb) (usu. part of a 'nara' conditional) anyway; anyhow; in either case
Common word, Noun or verb acting prenominally, Noun 
同意 どうい 1: agreement; consent; same opinion; approval;
2: same meaning
Common word, Noun, Suru verb, No-adjective 
同化 どうか 1: assimilation; absorption;
2: anabolism;
3: adaptation
Common word, Noun, Suru verb, No-adjective 
銅貨 どうか copper coin
Common word, Noun 
動画 どうが 1: animation; motion picture; video; moving picture;
2: in-betweening (in anime)
Common word, Noun, No-adjective, Suru verb 
動機 どうき motive; incentive; motif
Common word, Noun 
同期 どうき 1: contemporary; corresponding period; same period; same class;
2: synchronous; synchronization
Common word, Adverbial noun, Suru verb, No-adjective 
動議 どうぎ a motion
Common word, Noun 
道義 どうぎ morality; moral principles
Common word, Noun 
道具 どうぐ implement; tool; means
Common word, Noun 

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