Denshi Jisho — Online Japanese dictionary

ウルメ round herring (Etrumeus teres)
Noun, Usually written using kana alone, Abbreviation 
うわあ Wow!; Holy smokes!; Aaargh!; O my God!
Interjection 
うわー Wow!; Holy smokes!; Aaargh!; O my God!
Interjection 
ウンカ plant hopper (any insect of family Delphacidae); leafhopper
Noun, Usually written using kana alone 
うんと 1: (Onomatopoeic or mimetic word) a great deal; very much; a lot;
2: with a great amount of effort
Adverb 
ウージ sugar cane; sugarcane
Noun, Ryukyu dialect 
ウーゾ ouzo
Noun, gre: 
ウード oud (lute-like instrument of Arabic origin) (ara: ud)
Noun 
うーん hmm; well
Interjection 
ウーン hmm; well
Interjection 
兎 うさぎ rabbit; hare; coney; cony; lagomorph (esp. leporids)
Common word, Noun, Usually written using kana alone 
謡 うたい noh chanting; recitation
Common word, Noun 
宴 うたげ party; banquet; feast
Common word, Noun 
器 うつわ 1: bowl; vessel; container;
2: ability; capacity; calibre; caliber
Common word, Noun 
鰻 うなぎ eel (esp. the Japanese eel, Anguilla japonica)
Common word, Noun, Usually written using kana alone 
漆 うるし 1: lacquer; varnish; japan;
2: (Usually written using kana alone) lacquer tree (Toxicodendron vernicifluum)
Common word, Noun 
噂 うわさ rumour; rumor; report; hearsay; gossip; common talk
Common word, Noun, Suru verb, No-adjective 
嗽 うがい gargling; rinsing one's mouth
Noun, Suru verb, Usually written using kana alone 
漱 うがい gargling; rinsing one's mouth
Noun, Suru verb, Usually written using kana alone 
葎 うぐら creepers; trailing plants
Noun 
朮 うけら Atractylodes japonica
Noun 
兔 うさぎ rabbit; hare; coney; cony; lagomorph (esp. leporids)
Noun, Usually written using kana alone 
菟 うさぎ rabbit; hare; coney; cony; lagomorph (esp. leporids)
Irregular kanji usage, Noun, Usually written using kana alone 
汐 うしお 1: tide; current;
2: salt water;
3: opportunity
Noun 
潮 うしお 1: tide; current;
2: salt water;
3: opportunity
Noun 
後 うしろ back; behind; rear
Irregular okurigana usage, Noun 

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