frustration
    /ˌfrʌˈstreɪʃən/ 
    
 
    
    noun
    
    plural -tions
    
    [noncount] :a feeling of anger or annoyance caused by being unable to do something :the state of being frustrated
    
    
    
    
    
    [count] :something that causes feelings of anger and annoyance :something that frustrates someone
    
    
    
    
    
    [noncount] :the act of preventing the success of something :the act of frustrating something