plunge into
phrasal verb
            
              plunged into; plunging into; plunges into            
        
    1
                    
                                          
              
          
                                                      : to push (something) into (something) quickly and forcefully                                      
              
                             
He plunged the knife into the cake.
                                       I plunged the sponge into the bucket of water.
                         
                
                    2
                    
                                          
              
          
                                                      : to start doing (something) with enthusiasm and energy                                      
              
                             
She plunged (right) into the assignment.
                         
                
                    3
                    
                                          
              
          
                                                      : to suddenly begin to be in (a particular and usually bad condition or situation)                                      
              
                             
He plunged into a severe depression.
                         
                
                    4
                    
                                          
              
          
                                                      : to cause (someone or something) to suddenly be in (a particular condition or situation)                                      
              
                             
A series of bad management decisions had plunged the company into debt.
                                       The author plunges his readers into a world of fantasy.
                         
                
                    Love words? Need even more definitions?
  
  Merriam-Webster unabridged




Share