Denshi Jisho — Online Japanese dictionary

捨てる すてる to throw away; to cast aside; to abandon; to resign; to break up with (someone)
Common word, Ichidan verb, Transitive verb 
捨てる神在れば拾う神在り すてるかみあればひろうかみあり When one door is shut, another is open; The world is as kind as it is cruel
Expression, Idiomatic expression 

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