harm harm /ˈhɑːrm/

noun

1. () Any physical damage to the body caused by violence or accident or fracture etc.  ( trauma , harm , hurt , injury )
   any physical damage to the body caused by violence or accident or fracture etc.
    The gymnast had to withdraw from the competition due to an injury
   The gymnast had to withdraw from the competition due to an injury
   
   
2. () The occurrence of a change for the worse  ( impairment , harm , damage )
   the occurrence of a change for the worse
     The storm caused severe damage to the houses and infrastructure.
   The storm caused severe damage to the houses and infrastructure.
   
3. () The act of damaging something or someone  ( hurt , scathe [Archaic] , damage , harm )
   the act of damaging something or someone
   

verb

1. () Cause or do harm to  ( harm )
   cause or do harm to
    These pills won't harm your system
   These pills won't harm your system