Denshi Jisho — Online Japanese dictionary

ばくち at full speed
Adverb, Usually written using kana alone 
ばくしん dash; rush
Noun, Suru verb 
ましくら at full speed
Adverb, Usually written using kana alone 
ましぐら at full speed
Adverb, Usually written using kana alone 
まっしぐら at full speed
Adverb, Usually written using kana alone 

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