| 1. | (adjective) detrimental to good health; "unhealthful air pollution"; "unhealthful conditions in old apartments with peeling lead-based paint" | 
	
	
	
	
	 |  | Antonyms: healthful | 
	
	| 
 | 
        
         | 2. | (satellite adjective) detrimental to health | 
	
	
	 |  | Synonyms: insalubrious, unhealthy | 
        
	
	
	| 
 | 
        
         | 3. | (adjective) not sanitary or healthful; "unsanitary open sewers"; "grim and unsanitary conditions" | 
	
	
	 |  | Synonyms: insanitary, unsanitary | 
        
	
	
	| 
 |