Denshi Jisho — Online Japanese dictionary

努 ゆめ never; by no means
Adverb, Usually written using kana alone, Archaism 
努む りきむ 1: to strain; to bear up; to exert one's strength;
2: to swagger; to bluff; to boast
Godan verb with mu ending, Transitive verb 
努力 どりょく great effort; exertion; endeavour; endeavor; effort
Common word, Noun, Suru verb 
努々 ゆめゆめ 1: certainly; absolutely;
2: (not even) a little bit;
3: diligently
Adverb 
努努 ゆめゆめ 1: certainly; absolutely;
2: (not even) a little bit;
3: diligently
Adverb 
努めて つとめて 1: as much as possible; diligently;
2: (Expression) make an effort!; work hard!
Common word, Adverb 
努める つとめる to endeavor (endeavour); to try; to strive; to make an effort; to exert oneself; to be diligent
Common word, Ichidan verb, Transitive verb 
努力家 どりょくか hard worker; hardworking person
Noun 
努力賞 どりょくしょう prize awarded for a person's effort
Noun 
努力奮励 どりょくふんれい making strenuous efforts; exerting oneself
Noun, Suru verb 
努力も空しく どりょくもむなしく after efforts in vain
Noun 
努力も虚しく どりょくもむなしく after efforts in vain
Noun 

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