adjective
                                                presently existing
                                                
                                                                                                Examples
                                                
                                                                                                        - the existing system
 
                                                                                        
                                                adjective
                                                having existence or being or actuality
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - an attempt to refine the existent machinery to make it more efficient
- much of the beluga caviar existing in the world is found in the Soviet Union and Iran
 
                                                                                        
                                                adjective
                                                existing in something specified
                                                
                                                                                                Examples
                                                
                                                                                                        - depletion of the oxygen existing in the bloodstream
 
                                                                                        
                                                verb
                                                have an existence, be extant
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - Is there a God?
 
                                                                                        
                                                verb
                                                support oneself
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - he could barely exist on such a low wage
- Can you live on $2000 a month in New York City?
- Many people in the world have to subsist on $1 a day