How to say fast in Japanese

早い^☆【はやいhayai】速い^☆・疾い^old・捷い^old Inflection: adjective:
fast; quick; hasty; brisk - esp. 速い, 疾い, 捷い
early (in the day, etc.); premature - esp. 早い
(too) soon; not yet; (too) early - esp. 早い
easy; simple; quick - esp. 早い ➜ 手っ取り早い

Example Sentences

答えkotae がga 分かっwaka たta んn だda、でもdemo あまりにamarini すぐsugu にni 分かっwaka たta ものmono だda からkara 正解seikai でde あるaru はずhazu がga ないnai んn だda。: I found a solution, but I found it so fast that it can't be the right solution.
ファストフードFUASUTOFUUDO はha もうmou 飽きaki たta。: I'm tired of eating fast food.
早くhayaku 帰ったkaetta 方がいいhougaii、暑いatsui からkara。サバSABA はha、生き腐れikikusare とto もmo 言われるiwareru くらいkurai 足が早いashigahayai。: It's hot, so you'd better head back quickly. Mackerel goes off so fast that they coined 'fresh-looking rotten fish'.
リズムRIZUMU はha 軽快keikai でde テンポTENPO はha 速くhayaku、そのsono 曲kyoku はha 若者wakamono にni 好まれているkonomareteiru。: The rhythm is light, and the tempo fast - that song is liked by young people.
夫otto とto 娘musume はha ぐっすりとgussurito 眠っているnemutteiru。: My husband and daughter are fast asleep.

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