Denshi Jisho — Online Japanese dictionary

未然 みぜん before it happens; previously
Common word, Noun 
未然 みぜんけい imperfective form
Noun, Linguistic term 
未然防止 みぜんぼうし prevention
Noun 
未然に防ぐ みぜんにふせぐ to prevent; to take precautions
Expression, Godan verb with gu ending 

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