WordWeb Online

1. Wedged or packed in together
   "an impacted tooth"

1. Press or wedge together; pack together
    
2. Have an effect upon
   "Will the new rules impact me?";
   - affect, bear upon, bear on, touch on, touch
    
3. Come into sudden contact with
   - hit, strike, impinge on, run into, collide with

See also: compact

Type of: alter, change, force, modify, sardine [informal], squash, squeeze, touch, wedge

Encyclopedia: Impacted