Denshi Jisho — Online Japanese dictionary

止む やむ to cease; to stop; to be over
Common word, Godan verb with mu ending, Intransitive verb 
止む得ず やむえず unavoidably; inevitably; necessarily; reluctantly; against one's will
Adverb, Usually written using kana alone 
止むなく やむなく reluctance; unwillingness; unavoidably; out of necessity
Adverb 
止む無く やむなく reluctance; unwillingness; unavoidably; out of necessity
Adverb 
止むを得ず やむをえず unavoidably; inevitably; necessarily; reluctantly; against one's will
Adverb 
止むを得ない やむをえない cannot be helped; unavoidable
Expression 
止むに止まれず やむにやまれず without being able to help oneself; against one's will; compelling; pressing; irresistible
Expression 
止むに止まれぬ やむにやまれぬ without being able to help oneself; against one's will; compelling; pressing; irresistible
Expression 
止むに止まれない やむにやまれない without being able to help oneself; against one's will; compelling; pressing; irresistible
Expression 
止むに止まれぬ事情 やむにやまれぬじじょう circumstances beyond one's control
Noun 

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