WordWeb Online

1. (sometimes followed by 'to') causing harm or injury
   "damaging to career and reputation";
   - detrimental, prejudicial, prejudicious
    
2. Designed or tending to discredit, especially without positive or helpful suggestions
   "damaging criticism";
   - negative

1. Inflict damage upon
   "The snow damaged the roof"; "She damaged the car when she hit the tree"
    
2. Suffer or be susceptible to damage
   "These fine china cups damage easily"

See also: destructive, harmful

Type of: alter, change, modify

Encyclopedia: Damaging