invalid 

  1. 形容詞
無事實根據的, 理論失當的
無效的, 無效果的
作廢的
病弱的, 有病的
供病人用的

    同義字詞
bad,inoperative,nonbinding,nonvalid,nugatory,null,null and void,void
erroneous,false,inaccurate,incorrect,inexact,off,unsound,untrue,untruthful,wrong
fallacious,illegitimate,illogical,inconsequent,inconsequential,irrational,nonrational,unreasonable,unreasoning,unsound,weak
baseless,foundationless,groundless,nonvalid,unfounded,unreasonable,unsubstantiated,unsupported,unwarranted
ailing,sickly,weakly

  2. 名詞
傷殘退役軍人
病弱的人, 病人
殘疾者
/此名詞複數為"invalids"/

    
                        
    3. 
                                                                        
  3. 

    動詞
及物動詞:
使...(軍人)傷殘退役
使...(人)病弱
使...(人)傷殘
/此動詞過去式與過去分詞為"invalided"/
/現在分詞為"invaliding"/
/第三者單數現在式為"invalids"/

    

    
                        
    4. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                But why should mine be invalid ?                            
    2. 
                                                    
  2. 
                                All invalid but billed nevertheless !                            
    3. 
                                                    
  3. 
                                This argument employs an invalid inference.                            
    4. 
                                                    
  4. 
                                Your arguments on every level are invalid .                            
    5. 
                                                    
  5. 
                                The remaining one vote was declared invalid .                            
    6.